TY - JOUR A1 - Srivastava, D. A1 - Xu, J. A1 - Vu, T. V. A1 - Liu, D. A1 - Li, L. A1 - Fu, P. A1 - Hou, S. A1 - Shi, Z. A1 - Harrison, R. M. T1 - Insight into PM2.5 Sources by Applying Positive Matrix Factorization (PMF) at an Urban and Rural Site of Beijing JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2021 SP - 1 EP - 51 Y1 - 2021/04/07 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/acp-2020-1017/ L1 - https://acp.copernicus.org/preprints/acp-2020-1017/acp-2020-1017.pdf DO - 10.5194/acp-2020-1017 ER -