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20 Apr 2010
Application of positive matrix factorization to on-road measurements for source apportionment of diesel- and gasoline-powered vehicle emissions in Mexico City
D. A. Thornhill ,A. E. Williams ,T. B. Onasch ,E. Wood ,S. C. Herndon ,C. E. Kolb ,W. B. Knighton ,M. Zavala ,L. T. Molina ,and L. C. Marr
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2,354
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4,636
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170
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PDF: 2,135
XML: 147
Total: 4,636
BibTeX: 165
EndNote: 170
Views and downloads (calculated since 01 Feb 2013, article published on 21 Dec 2009)
Month
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PDF
XML
Total
Feb 2013
23
46
8
77
Mar 2013
15
43
0
58
Apr 2013
33
40
0
73
May 2013
16
39
1
56
Jun 2013
11
36
0
47
Jul 2013
7
34
0
41
Aug 2013
11
24
2
37
Sep 2013
8
40
0
48
Oct 2013
13
22
3
38
Nov 2013
19
28
0
47
Dec 2013
19
38
0
57
Jan 2014
15
34
2
51
Feb 2014
25
25
5
55
Mar 2014
38
29
0
67
Apr 2014
21
26
1
48
May 2014
13
29
2
44
Jun 2014
8
45
4
57
Jul 2014
7
29
0
36
Aug 2014
15
32
0
47
Sep 2014
6
36
0
42
Oct 2014
10
43
0
53
Nov 2014
12
35
1
48
Dec 2014
3
30
0
33
Jan 2015
5
21
3
29
Feb 2015
12
12
0
24
Mar 2015
21
19
1
41
Apr 2015
20
5
0
25
May 2015
13
10
0
23
Jun 2015
30
7
2
39
Jul 2015
25
27
1
53
Aug 2015
37
32
2
71
Sep 2015
10
10
1
21
Oct 2015
19
11
1
31
Nov 2015
31
12
5
48
Dec 2015
5
8
2
15
Jan 2016
24
19
2
45
Feb 2016
17
4
1
22
Mar 2016
15
19
0
34
Apr 2016
12
16
0
28
May 2016
12
8
0
20
Jun 2016
8
6
1
15
Jul 2016
11
4
3
18
Aug 2016
5
8
1
14
Sep 2016
11
3
0
14
Oct 2016
8
4
0
12
Nov 2016
8
9
0
17
Dec 2016
8
4
0
12
Jan 2017
14
6
0
20
Feb 2017
17
3
1
21
Mar 2017
20
2
2
24
Apr 2017
29
11
0
40
May 2017
28
7
1
36
Jun 2017
34
11
2
47
Jul 2017
25
9
0
34
Aug 2017
6
7
1
14
Sep 2017
12
11
0
23
Oct 2017
7
8
1
16
Nov 2017
8
5
0
13
Dec 2017
7
7
0
14
Jan 2018
11
10
0
21
Feb 2018
11
3
0
14
Mar 2018
13
10
1
24
Apr 2018
8
8
2
18
May 2018
5
11
0
16
Jun 2018
7
4
0
11
Jul 2018
5
10
0
15
Aug 2018
6
3
0
9
Sep 2018
7
7
0
14
Oct 2018
13
11
1
25
Nov 2018
14
11
0
25
Dec 2018
9
4
1
14
Jan 2019
6
5
0
11
Feb 2019
6
2
0
8
Mar 2019
5
13
0
18
Apr 2019
9
4
0
13
May 2019
18
14
0
32
Jun 2019
14
10
0
24
Jul 2019
7
7
0
14
Aug 2019
6
4
0
10
Sep 2019
6
5
0
11
Oct 2019
19
15
2
36
Nov 2019
8
9
0
17
Dec 2019
7
11
0
18
Jan 2020
10
12
0
22
Feb 2020
6
11
1
18
Mar 2020
10
12
0
22
Apr 2020
1
0
1
May 2020
4
9
0
13
Jun 2020
17
4
0
21
Jul 2020
16
12
3
31
Aug 2020
13
17
6
36
Sep 2020
5
13
1
19
Oct 2020
14
8
0
22
Nov 2020
11
6
0
17
Dec 2020
8
4
0
12
Jan 2021
18
17
0
35
Feb 2021
15
10
0
25
Mar 2021
6
9
0
15
Apr 2021
8
20
0
28
May 2021
14
11
1
26
Jun 2021
15
15
0
30
Jul 2021
5
5
0
10
Aug 2021
5
11
0
16
Sep 2021
12
12
0
24
Oct 2021
7
34
1
42
Nov 2021
8
23
0
31
Dec 2021
6
5
0
11
Jan 2022
14
10
0
24
Feb 2022
14
10
1
25
Mar 2022
6
7
0
13
Apr 2022
5
10
1
16
May 2022
7
13
0
20
Jun 2022
3
5
0
8
Jul 2022
8
7
0
15
Aug 2022
15
4
2
21
Sep 2022
8
6
0
14
Oct 2022
10
7
1
18
Nov 2022
13
17
2
32
Dec 2022
11
14
1
26
Jan 2023
11
15
0
26
Feb 2023
11
7
0
18
Mar 2023
9
16
2
27
Apr 2023
6
14
0
20
May 2023
32
7
0
39
Jun 2023
33
8
1
42
Jul 2023
37
10
0
47
Aug 2023
36
9
2
47
Sep 2023
36
5
0
41
Oct 2023
33
6
2
41
Nov 2023
26
4
0
30
Dec 2023
36
4
0
40
Jan 2024
37
8
0
45
Feb 2024
38
13
1
52
Mar 2024
37
15
2
54
Apr 2024
37
11
3
51
May 2024
18
21
0
39
Jun 2024
17
13
3
33
Jul 2024
15
14
3
32
Aug 2024
23
7
1
31
Sep 2024
5
4
0
9
Oct 2024
23
6
0
29
Nov 2024
21
5
3
29
Dec 2024
26
5
3
34
Jan 2025
10
13
1
24
Feb 2025
28
11
0
39
Mar 2025
19
17
3
39
Apr 2025
11
9
0
20
May 2025
21
10
0
31
Jun 2025
34
9
2
45
Jul 2025
17
11
0
28
Aug 2025
16
12
2
30
Sep 2025
21
17
7
45
Oct 2025
20
17
3
40
Nov 2025
28
20
6
54
Dec 2025
31
31
4
66
Jan 2026
5
2
2
9
Cumulative views and downloads
(calculated since 01 Feb 2013, article published on 21 Dec 2009)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
23
46
8
77
Mar 2013
38
89
8
135
Apr 2013
71
129
8
208
May 2013
87
168
9
264
Jun 2013
98
204
9
311
Jul 2013
105
238
9
352
Aug 2013
116
262
11
389
Sep 2013
124
302
11
437
Oct 2013
137
324
14
475
Nov 2013
156
352
14
522
Dec 2013
175
390
14
579
Jan 2014
190
424
16
630
Feb 2014
215
449
21
685
Mar 2014
253
478
21
752
Apr 2014
274
504
22
800
May 2014
287
533
24
844
Jun 2014
295
578
28
901
Jul 2014
302
607
28
937
Aug 2014
317
639
28
984
Sep 2014
323
675
28
1,026
Oct 2014
333
718
28
1,079
Nov 2014
345
753
29
1,127
Dec 2014
348
783
29
1,160
Jan 2015
353
804
32
1,189
Feb 2015
365
816
32
1,213
Mar 2015
386
835
33
1,254
Apr 2015
406
840
33
1,279
May 2015
419
850
33
1,302
Jun 2015
449
857
35
1,341
Jul 2015
474
884
36
1,394
Aug 2015
511
916
38
1,465
Sep 2015
521
926
39
1,486
Oct 2015
540
937
40
1,517
Nov 2015
571
949
45
1,565
Dec 2015
576
957
47
1,580
Jan 2016
600
976
49
1,625
Feb 2016
617
980
50
1,647
Mar 2016
632
999
50
1,681
Apr 2016
644
1,015
50
1,709
May 2016
656
1,023
50
1,729
Jun 2016
664
1,029
51
1,744
Jul 2016
675
1,033
54
1,762
Aug 2016
680
1,041
55
1,776
Sep 2016
691
1,044
55
1,790
Oct 2016
699
1,048
55
1,802
Nov 2016
707
1,057
55
1,819
Dec 2016
715
1,061
55
1,831
Jan 2017
729
1,067
55
1,851
Feb 2017
746
1,070
56
1,872
Mar 2017
766
1,072
58
1,896
Apr 2017
795
1,083
58
1,936
May 2017
823
1,090
59
1,972
Jun 2017
857
1,101
61
2,019
Jul 2017
882
1,110
61
2,053
Aug 2017
888
1,117
62
2,067
Sep 2017
900
1,128
62
2,090
Oct 2017
907
1,136
63
2,106
Nov 2017
915
1,141
63
2,119
Dec 2017
922
1,148
63
2,133
Jan 2018
933
1,158
63
2,154
Feb 2018
944
1,161
63
2,168
Mar 2018
957
1,171
64
2,192
Apr 2018
965
1,179
66
2,210
May 2018
970
1,190
66
2,226
Jun 2018
977
1,194
66
2,237
Jul 2018
982
1,204
66
2,252
Aug 2018
988
1,207
66
2,261
Sep 2018
995
1,214
66
2,275
Oct 2018
1,008
1,225
67
2,300
Nov 2018
1,022
1,236
67
2,325
Dec 2018
1,031
1,240
68
2,339
Jan 2019
1,037
1,245
68
2,350
Feb 2019
1,043
1,247
68
2,358
Mar 2019
1,048
1,260
68
2,376
Apr 2019
1,057
1,264
68
2,389
May 2019
1,075
1,278
68
2,421
Jun 2019
1,089
1,288
68
2,445
Jul 2019
1,096
1,295
68
2,459
Aug 2019
1,102
1,299
68
2,469
Sep 2019
1,108
1,304
68
2,480
Oct 2019
1,127
1,319
70
2,516
Nov 2019
1,135
1,328
70
2,533
Dec 2019
1,142
1,339
70
2,551
Jan 2020
1,152
1,351
70
2,573
Feb 2020
1,158
1,362
71
2,591
Mar 2020
1,168
1,374
71
2,613
Apr 2020
1,169
1,374
71
2,614
May 2020
1,173
1,383
71
2,627
Jun 2020
1,190
1,387
71
2,648
Jul 2020
1,206
1,399
74
2,679
Aug 2020
1,219
1,416
80
2,715
Sep 2020
1,224
1,429
81
2,734
Oct 2020
1,238
1,437
81
2,756
Nov 2020
1,249
1,443
81
2,773
Dec 2020
1,257
1,447
81
2,785
Jan 2021
1,275
1,464
81
2,820
Feb 2021
1,290
1,474
81
2,845
Mar 2021
1,296
1,483
81
2,860
Apr 2021
1,304
1,503
81
2,888
May 2021
1,318
1,514
82
2,914
Jun 2021
1,333
1,529
82
2,944
Jul 2021
1,338
1,534
82
2,954
Aug 2021
1,343
1,545
82
2,970
Sep 2021
1,355
1,557
82
2,994
Oct 2021
1,362
1,591
83
3,036
Nov 2021
1,370
1,614
83
3,067
Dec 2021
1,376
1,619
83
3,078
Jan 2022
1,390
1,629
83
3,102
Feb 2022
1,404
1,639
84
3,127
Mar 2022
1,410
1,646
84
3,140
Apr 2022
1,415
1,656
85
3,156
May 2022
1,422
1,669
85
3,176
Jun 2022
1,425
1,674
85
3,184
Jul 2022
1,433
1,681
85
3,199
Aug 2022
1,448
1,685
87
3,220
Sep 2022
1,456
1,691
87
3,234
Oct 2022
1,466
1,698
88
3,252
Nov 2022
1,479
1,715
90
3,284
Dec 2022
1,490
1,729
91
3,310
Jan 2023
1,501
1,744
91
3,336
Feb 2023
1,512
1,751
91
3,354
Mar 2023
1,521
1,767
93
3,381
Apr 2023
1,527
1,781
93
3,401
May 2023
1,559
1,788
93
3,440
Jun 2023
1,592
1,796
94
3,482
Jul 2023
1,629
1,806
94
3,529
Aug 2023
1,665
1,815
96
3,576
Sep 2023
1,701
1,820
96
3,617
Oct 2023
1,734
1,826
98
3,658
Nov 2023
1,760
1,830
98
3,688
Dec 2023
1,796
1,834
98
3,728
Jan 2024
1,833
1,842
98
3,773
Feb 2024
1,871
1,855
99
3,825
Mar 2024
1,908
1,870
101
3,879
Apr 2024
1,945
1,881
104
3,930
May 2024
1,963
1,902
104
3,969
Jun 2024
1,980
1,915
107
4,002
Jul 2024
1,995
1,929
110
4,034
Aug 2024
2,018
1,936
111
4,065
Sep 2024
2,023
1,940
111
4,074
Oct 2024
2,046
1,946
111
4,103
Nov 2024
2,067
1,951
114
4,132
Dec 2024
2,093
1,956
117
4,166
Jan 2025
2,103
1,969
118
4,190
Feb 2025
2,131
1,980
118
4,229
Mar 2025
2,150
1,997
121
4,268
Apr 2025
2,161
2,006
121
4,288
May 2025
2,182
2,016
121
4,319
Jun 2025
2,216
2,025
123
4,364
Jul 2025
2,233
2,036
123
4,392
Aug 2025
2,249
2,048
125
4,422
Sep 2025
2,270
2,065
132
4,467
Oct 2025
2,290
2,082
135
4,507
Nov 2025
2,318
2,102
141
4,561
Dec 2025
2,349
2,133
145
4,627
Jan 2026
2,354
2,135
147
4,636
Total article views: 3,843 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
2,086
1,626
131
3,843
152
165
HTML: 2,086
PDF: 1,626
XML: 131
Total: 3,843
BibTeX: 152
EndNote: 165
Views and downloads (calculated since 01 Feb 2013, article published on 20 Apr 2010)
Month
HTML
PDF
XML
Total
Feb 2013
18
27
6
51
Mar 2013
14
22
0
36
Apr 2013
32
20
0
52
May 2013
15
21
1
37
Jun 2013
8
17
0
25
Jul 2013
6
17
0
23
Aug 2013
11
11
2
24
Sep 2013
6
22
0
28
Oct 2013
11
14
3
28
Nov 2013
18
16
0
34
Dec 2013
14
21
0
35
Jan 2014
10
22
2
34
Feb 2014
18
15
3
36
Mar 2014
26
22
0
48
Apr 2014
10
17
1
28
May 2014
8
20
1
29
Jun 2014
7
31
2
40
Jul 2014
6
22
0
28
Aug 2014
12
23
0
35
Sep 2014
3
27
0
30
Oct 2014
6
37
0
43
Nov 2014
8
27
1
36
Dec 2014
1
24
0
25
Jan 2015
2
19
3
24
Feb 2015
11
11
0
22
Mar 2015
21
17
1
39
Apr 2015
18
5
0
23
May 2015
11
5
0
16
Jun 2015
25
3
2
30
Jul 2015
17
25
0
42
Aug 2015
32
30
2
64
Sep 2015
10
9
1
20
Oct 2015
12
9
0
21
Nov 2015
21
11
3
35
Dec 2015
5
7
2
14
Jan 2016
17
15
1
33
Feb 2016
13
3
1
17
Mar 2016
10
7
0
17
Apr 2016
8
7
0
15
May 2016
9
7
0
16
Jun 2016
5
3
1
9
Jul 2016
8
4
2
14
Aug 2016
3
5
1
9
Sep 2016
8
3
0
11
Oct 2016
6
4
0
10
Nov 2016
6
8
0
14
Dec 2016
5
2
0
7
Jan 2017
12
6
0
18
Feb 2017
15
3
1
19
Mar 2017
16
2
2
20
Apr 2017
23
8
0
31
May 2017
22
7
1
30
Jun 2017
26
9
2
37
Jul 2017
19
8
0
27
Aug 2017
5
6
1
12
Sep 2017
10
11
0
21
Oct 2017
7
7
1
15
Nov 2017
7
5
0
12
Dec 2017
7
6
0
13
Jan 2018
10
8
0
18
Feb 2018
11
3
0
14
Mar 2018
11
9
1
21
Apr 2018
6
6
2
14
May 2018
4
9
0
13
Jun 2018
4
4
0
8
Jul 2018
4
9
0
13
Aug 2018
5
2
0
7
Sep 2018
7
6
0
13
Oct 2018
11
10
1
22
Nov 2018
10
9
0
19
Dec 2018
8
4
1
13
Jan 2019
5
5
0
10
Feb 2019
4
2
0
6
Mar 2019
3
12
0
15
Apr 2019
7
3
0
10
May 2019
8
12
0
20
Jun 2019
14
10
0
24
Jul 2019
7
7
0
14
Aug 2019
4
3
0
7
Sep 2019
5
5
0
10
Oct 2019
18
14
2
34
Nov 2019
8
9
0
17
Dec 2019
6
8
0
14
Jan 2020
10
10
0
20
Feb 2020
6
7
1
14
Mar 2020
10
12
0
22
Apr 2020
0
May 2020
4
9
0
13
Jun 2020
10
4
0
14
Jul 2020
12
12
3
27
Aug 2020
12
15
4
31
Sep 2020
5
11
1
17
Oct 2020
13
6
0
19
Nov 2020
10
6
0
16
Dec 2020
6
3
0
9
Jan 2021
18
16
0
34
Feb 2021
15
10
0
25
Mar 2021
5
8
0
13
Apr 2021
8
14
0
22
May 2021
14
10
1
25
Jun 2021
15
9
0
24
Jul 2021
5
3
0
8
Aug 2021
5
9
0
14
Sep 2021
12
11
0
23
Oct 2021
7
34
1
42
Nov 2021
8
22
0
30
Dec 2021
6
3
0
9
Jan 2022
14
10
0
24
Feb 2022
14
8
1
23
Mar 2022
6
6
0
12
Apr 2022
5
8
1
14
May 2022
7
10
0
17
Jun 2022
3
5
0
8
Jul 2022
8
6
0
14
Aug 2022
15
4
2
21
Sep 2022
8
4
0
12
Oct 2022
10
5
1
16
Nov 2022
13
16
2
31
Dec 2022
11
11
1
23
Jan 2023
11
14
0
25
Feb 2023
11
5
0
16
Mar 2023
9
15
2
26
Apr 2023
6
13
0
19
May 2023
32
5
0
37
Jun 2023
33
8
1
42
Jul 2023
36
8
0
44
Aug 2023
36
7
2
45
Sep 2023
36
3
0
39
Oct 2023
33
6
2
41
Nov 2023
26
4
0
30
Dec 2023
36
3
0
39
Jan 2024
37
7
0
44
Feb 2024
38
12
1
51
Mar 2024
37
14
2
53
Apr 2024
37
8
3
48
May 2024
18
17
0
35
Jun 2024
17
9
3
29
Jul 2024
14
6
3
23
Aug 2024
23
5
1
29
Sep 2024
5
4
0
9
Oct 2024
22
6
0
28
Nov 2024
21
2
3
26
Dec 2024
26
3
3
32
Jan 2025
10
11
1
22
Feb 2025
26
10
0
36
Mar 2025
19
14
3
36
Apr 2025
11
9
0
20
May 2025
21
8
0
29
Jun 2025
32
9
2
43
Jul 2025
17
9
0
26
Aug 2025
16
12
2
30
Sep 2025
20
15
7
42
Oct 2025
20
13
3
36
Nov 2025
28
11
5
44
Dec 2025
31
22
4
57
Jan 2026
5
1
2
8
Cumulative views and downloads
(calculated since 01 Feb 2013, article published on 20 Apr 2010)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
18
27
6
Mar 2013
32
49
6
Apr 2013
64
69
6
May 2013
79
90
7
Jun 2013
87
107
7
Jul 2013
93
124
7
Aug 2013
104
135
9
Sep 2013
110
157
9
Oct 2013
121
171
12
Nov 2013
139
187
12
Dec 2013
153
208
12
Jan 2014
163
230
14
Feb 2014
181
245
17
Mar 2014
207
267
17
Apr 2014
217
284
18
May 2014
225
304
19
Jun 2014
232
335
21
Jul 2014
238
357
21
Aug 2014
250
380
21
Sep 2014
253
407
21
Oct 2014
259
444
21
Nov 2014
267
471
22
Dec 2014
268
495
22
Jan 2015
270
514
25
Feb 2015
281
525
25
Mar 2015
302
542
26
Apr 2015
320
547
26
May 2015
331
552
26
Jun 2015
356
555
28
Jul 2015
373
580
28
Aug 2015
405
610
30
Sep 2015
415
619
31
Oct 2015
427
628
31
Nov 2015
448
639
34
Dec 2015
453
646
36
Jan 2016
470
661
37
Feb 2016
483
664
38
Mar 2016
493
671
38
Apr 2016
501
678
38
May 2016
510
685
38
Jun 2016
515
688
39
Jul 2016
523
692
41
Aug 2016
526
697
42
Sep 2016
534
700
42
Oct 2016
540
704
42
Nov 2016
546
712
42
Dec 2016
551
714
42
Jan 2017
563
720
42
Feb 2017
578
723
43
Mar 2017
594
725
45
Apr 2017
617
733
45
May 2017
639
740
46
Jun 2017
665
749
48
Jul 2017
684
757
48
Aug 2017
689
763
49
Sep 2017
699
774
49
Oct 2017
706
781
50
Nov 2017
713
786
50
Dec 2017
720
792
50
Jan 2018
730
800
50
Feb 2018
741
803
50
Mar 2018
752
812
51
Apr 2018
758
818
53
May 2018
762
827
53
Jun 2018
766
831
53
Jul 2018
770
840
53
Aug 2018
775
842
53
Sep 2018
782
848
53
Oct 2018
793
858
54
Nov 2018
803
867
54
Dec 2018
811
871
55
Jan 2019
816
876
55
Feb 2019
820
878
55
Mar 2019
823
890
55
Apr 2019
830
893
55
May 2019
838
905
55
Jun 2019
852
915
55
Jul 2019
859
922
55
Aug 2019
863
925
55
Sep 2019
868
930
55
Oct 2019
886
944
57
Nov 2019
894
953
57
Dec 2019
900
961
57
Jan 2020
910
971
57
Feb 2020
916
978
58
Mar 2020
926
990
58
Apr 2020
926
990
58
May 2020
930
999
58
Jun 2020
940
1,003
58
Jul 2020
952
1,015
61
Aug 2020
964
1,030
65
Sep 2020
969
1,041
66
Oct 2020
982
1,047
66
Nov 2020
992
1,053
66
Dec 2020
998
1,056
66
Jan 2021
1,016
1,072
66
Feb 2021
1,031
1,082
66
Mar 2021
1,036
1,090
66
Apr 2021
1,044
1,104
66
May 2021
1,058
1,114
67
Jun 2021
1,073
1,123
67
Jul 2021
1,078
1,126
67
Aug 2021
1,083
1,135
67
Sep 2021
1,095
1,146
67
Oct 2021
1,102
1,180
68
Nov 2021
1,110
1,202
68
Dec 2021
1,116
1,205
68
Jan 2022
1,130
1,215
68
Feb 2022
1,144
1,223
69
Mar 2022
1,150
1,229
69
Apr 2022
1,155
1,237
70
May 2022
1,162
1,247
70
Jun 2022
1,165
1,252
70
Jul 2022
1,173
1,258
70
Aug 2022
1,188
1,262
72
Sep 2022
1,196
1,266
72
Oct 2022
1,206
1,271
73
Nov 2022
1,219
1,287
75
Dec 2022
1,230
1,298
76
Jan 2023
1,241
1,312
76
Feb 2023
1,252
1,317
76
Mar 2023
1,261
1,332
78
Apr 2023
1,267
1,345
78
May 2023
1,299
1,350
78
Jun 2023
1,332
1,358
79
Jul 2023
1,368
1,366
79
Aug 2023
1,404
1,373
81
Sep 2023
1,440
1,376
81
Oct 2023
1,473
1,382
83
Nov 2023
1,499
1,386
83
Dec 2023
1,535
1,389
83
Jan 2024
1,572
1,396
83
Feb 2024
1,610
1,408
84
Mar 2024
1,647
1,422
86
Apr 2024
1,684
1,430
89
May 2024
1,702
1,447
89
Jun 2024
1,719
1,456
92
Jul 2024
1,733
1,462
95
Aug 2024
1,756
1,467
96
Sep 2024
1,761
1,471
96
Oct 2024
1,783
1,477
96
Nov 2024
1,804
1,479
99
Dec 2024
1,830
1,482
102
Jan 2025
1,840
1,493
103
Feb 2025
1,866
1,503
103
Mar 2025
1,885
1,517
106
Apr 2025
1,896
1,526
106
May 2025
1,917
1,534
106
Jun 2025
1,949
1,543
108
Jul 2025
1,966
1,552
108
Aug 2025
1,982
1,564
110
Sep 2025
2,002
1,579
117
Oct 2025
2,022
1,592
120
Nov 2025
2,050
1,603
125
Dec 2025
2,081
1,625
129
Jan 2026
2,086
1,626
131
Total article views: 793 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
268
509
16
793
13
5
HTML: 268
PDF: 509
XML: 16
Total: 793
BibTeX: 13
EndNote: 5
Views and downloads (calculated since 01 Feb 2013, article published on 21 Dec 2009)
Month
HTML
PDF
XML
Total
Feb 2013
5
19
2
26
Mar 2013
1
21
0
22
Apr 2013
1
20
0
21
May 2013
1
18
0
19
Jun 2013
3
19
0
22
Jul 2013
1
17
0
18
Aug 2013
13
0
13
Sep 2013
2
18
0
20
Oct 2013
2
8
0
10
Nov 2013
1
12
0
13
Dec 2013
5
17
0
22
Jan 2014
5
12
0
17
Feb 2014
7
10
2
19
Mar 2014
12
7
0
19
Apr 2014
11
9
0
20
May 2014
5
9
1
15
Jun 2014
1
14
2
17
Jul 2014
1
7
0
8
Aug 2014
3
9
0
12
Sep 2014
3
9
0
12
Oct 2014
4
6
0
10
Nov 2014
4
8
0
12
Dec 2014
2
6
0
8
Jan 2015
3
2
0
5
Feb 2015
1
1
0
2
Mar 2015
2
0
2
Apr 2015
2
0
2
May 2015
2
5
0
7
Jun 2015
5
4
0
9
Jul 2015
8
2
1
11
Aug 2015
5
2
0
7
Sep 2015
1
0
1
Oct 2015
7
2
1
10
Nov 2015
10
1
2
13
Dec 2015
1
0
1
Jan 2016
7
4
1
12
Feb 2016
4
1
0
5
Mar 2016
5
12
0
17
Apr 2016
4
9
0
13
May 2016
3
1
0
4
Jun 2016
3
3
0
6
Jul 2016
3
1
4
Aug 2016
2
3
0
5
Sep 2016
3
0
3
Oct 2016
2
0
2
Nov 2016
2
1
0
3
Dec 2016
3
2
0
5
Jan 2017
2
0
2
Feb 2017
2
0
2
Mar 2017
4
0
4
Apr 2017
6
3
0
9
May 2017
6
0
6
Jun 2017
8
2
0
10
Jul 2017
6
1
0
7
Aug 2017
1
1
0
2
Sep 2017
2
0
2
Oct 2017
1
0
1
Nov 2017
1
0
1
Dec 2017
1
0
1
Jan 2018
1
2
0
3
Feb 2018
0
Mar 2018
2
1
0
3
Apr 2018
2
2
0
4
May 2018
1
2
0
3
Jun 2018
3
0
3
Jul 2018
1
1
0
2
Aug 2018
1
1
0
2
Sep 2018
1
0
1
Oct 2018
2
1
0
3
Nov 2018
4
2
0
6
Dec 2018
1
0
1
Jan 2019
1
0
1
Feb 2019
2
0
2
Mar 2019
2
1
0
3
Apr 2019
2
1
0
3
May 2019
10
2
0
12
Jun 2019
0
Jul 2019
0
Aug 2019
2
1
0
3
Sep 2019
1
0
1
Oct 2019
1
1
0
2
Nov 2019
0
Dec 2019
1
3
0
4
Jan 2020
2
0
2
Feb 2020
4
0
4
Mar 2020
0
Apr 2020
1
0
1
May 2020
0
Jun 2020
7
0
7
Jul 2020
4
0
4
Aug 2020
1
2
2
5
Sep 2020
2
0
2
Oct 2020
1
2
0
3
Nov 2020
1
0
1
Dec 2020
2
1
0
3
Jan 2021
1
0
1
Feb 2021
0
Mar 2021
1
1
0
2
Apr 2021
6
0
6
May 2021
1
0
1
Jun 2021
6
0
6
Jul 2021
2
0
2
Aug 2021
2
0
2
Sep 2021
1
0
1
Oct 2021
0
Nov 2021
1
0
1
Dec 2021
2
0
2
Jan 2022
0
Feb 2022
2
0
2
Mar 2022
1
0
1
Apr 2022
2
0
2
May 2022
3
0
3
Jun 2022
0
Jul 2022
1
0
1
Aug 2022
0
Sep 2022
2
0
2
Oct 2022
2
0
2
Nov 2022
1
0
1
Dec 2022
3
0
3
Jan 2023
1
0
1
Feb 2023
2
0
2
Mar 2023
1
0
1
Apr 2023
1
0
1
May 2023
2
0
2
Jun 2023
0
Jul 2023
1
2
0
3
Aug 2023
2
0
2
Sep 2023
2
0
2
Oct 2023
0
Nov 2023
0
Dec 2023
1
0
1
Jan 2024
1
0
1
Feb 2024
1
0
1
Mar 2024
1
0
1
Apr 2024
3
0
3
May 2024
4
0
4
Jun 2024
4
0
4
Jul 2024
1
8
0
9
Aug 2024
2
0
2
Sep 2024
0
Oct 2024
1
0
1
Nov 2024
3
0
3
Dec 2024
2
0
2
Jan 2025
2
0
2
Feb 2025
2
1
0
3
Mar 2025
3
0
3
Apr 2025
0
May 2025
2
0
2
Jun 2025
2
0
2
Jul 2025
2
0
2
Aug 2025
0
Sep 2025
1
2
0
3
Oct 2025
4
0
4
Nov 2025
9
1
10
Dec 2025
9
0
9
Jan 2026
1
0
1
Cumulative views and downloads
(calculated since 01 Feb 2013, article published on 21 Dec 2009)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
5
19
2
Mar 2013
6
40
2
Apr 2013
7
60
2
May 2013
8
78
2
Jun 2013
11
97
2
Jul 2013
12
114
2
Aug 2013
12
127
2
Sep 2013
14
145
2
Oct 2013
16
153
2
Nov 2013
17
165
2
Dec 2013
22
182
2
Jan 2014
27
194
2
Feb 2014
34
204
4
Mar 2014
46
211
4
Apr 2014
57
220
4
May 2014
62
229
5
Jun 2014
63
243
7
Jul 2014
64
250
7
Aug 2014
67
259
7
Sep 2014
70
268
7
Oct 2014
74
274
7
Nov 2014
78
282
7
Dec 2014
80
288
7
Jan 2015
83
290
7
Feb 2015
84
291
7
Mar 2015
84
293
7
Apr 2015
86
293
7
May 2015
88
298
7
Jun 2015
93
302
7
Jul 2015
101
304
8
Aug 2015
106
306
8
Sep 2015
106
307
8
Oct 2015
113
309
9
Nov 2015
123
310
11
Dec 2015
123
311
11
Jan 2016
130
315
12
Feb 2016
134
316
12
Mar 2016
139
328
12
Apr 2016
143
337
12
May 2016
146
338
12
Jun 2016
149
341
12
Jul 2016
152
341
13
Aug 2016
154
344
13
Sep 2016
157
344
13
Oct 2016
159
344
13
Nov 2016
161
345
13
Dec 2016
164
347
13
Jan 2017
166
347
13
Feb 2017
168
347
13
Mar 2017
172
347
13
Apr 2017
178
350
13
May 2017
184
350
13
Jun 2017
192
352
13
Jul 2017
198
353
13
Aug 2017
199
354
13
Sep 2017
201
354
13
Oct 2017
201
355
13
Nov 2017
202
355
13
Dec 2017
202
356
13
Jan 2018
203
358
13
Feb 2018
203
358
13
Mar 2018
205
359
13
Apr 2018
207
361
13
May 2018
208
363
13
Jun 2018
211
363
13
Jul 2018
212
364
13
Aug 2018
213
365
13
Sep 2018
213
366
13
Oct 2018
215
367
13
Nov 2018
219
369
13
Dec 2018
220
369
13
Jan 2019
221
369
13
Feb 2019
223
369
13
Mar 2019
225
370
13
Apr 2019
227
371
13
May 2019
237
373
13
Jun 2019
237
373
13
Jul 2019
237
373
13
Aug 2019
239
374
13
Sep 2019
240
374
13
Oct 2019
241
375
13
Nov 2019
241
375
13
Dec 2019
242
378
13
Jan 2020
242
380
13
Feb 2020
242
384
13
Mar 2020
242
384
13
Apr 2020
243
384
13
May 2020
243
384
13
Jun 2020
250
384
13
Jul 2020
254
384
13
Aug 2020
255
386
15
Sep 2020
255
388
15
Oct 2020
256
390
15
Nov 2020
257
390
15
Dec 2020
259
391
15
Jan 2021
259
392
15
Feb 2021
259
392
15
Mar 2021
260
393
15
Apr 2021
260
399
15
May 2021
260
400
15
Jun 2021
260
406
15
Jul 2021
260
408
15
Aug 2021
260
410
15
Sep 2021
260
411
15
Oct 2021
260
411
15
Nov 2021
260
412
15
Dec 2021
260
414
15
Jan 2022
260
414
15
Feb 2022
260
416
15
Mar 2022
260
417
15
Apr 2022
260
419
15
May 2022
260
422
15
Jun 2022
260
422
15
Jul 2022
260
423
15
Aug 2022
260
423
15
Sep 2022
260
425
15
Oct 2022
260
427
15
Nov 2022
260
428
15
Dec 2022
260
431
15
Jan 2023
260
432
15
Feb 2023
260
434
15
Mar 2023
260
435
15
Apr 2023
260
436
15
May 2023
260
438
15
Jun 2023
260
438
15
Jul 2023
261
440
15
Aug 2023
261
442
15
Sep 2023
261
444
15
Oct 2023
261
444
15
Nov 2023
261
444
15
Dec 2023
261
445
15
Jan 2024
261
446
15
Feb 2024
261
447
15
Mar 2024
261
448
15
Apr 2024
261
451
15
May 2024
261
455
15
Jun 2024
261
459
15
Jul 2024
262
467
15
Aug 2024
262
469
15
Sep 2024
262
469
15
Oct 2024
263
469
15
Nov 2024
263
472
15
Dec 2024
263
474
15
Jan 2025
263
476
15
Feb 2025
265
477
15
Mar 2025
265
480
15
Apr 2025
265
480
15
May 2025
265
482
15
Jun 2025
267
482
15
Jul 2025
267
484
15
Aug 2025
267
484
15
Sep 2025
268
486
15
Oct 2025
268
490
15
Nov 2025
268
499
16
Dec 2025
268
508
16
Jan 2026
268
509
16
Latest update: 10 Jan 2026
