@Article{acp-21-717-2021,
AUTHOR = {Rai, P. and Slowik, J. G. and Furger, M. and El Haddad, I. and Visser, S. and Tong, Y. and Singh, A. and Wehrle, G. and Kumar, V. and Tobler, A. K. and Bhattu, D. and Wang, L. and Ganguly, D. and Rastogi, N. and Huang, R.-J. and Necki, J. and Cao, J. and Tripathi, S. N. and Baltensperger, U. and Pr\'ev\^ot, A. S. H.},
TITLE = {Highly time-resolved measurements of element concentrations in PM$_{10}$ and PM$_{2.5}$: comparison of Delhi, Beijing, London, and Krakow},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {21},
YEAR = {2021},
NUMBER = {2},
PAGES = {717--730},
URL = {https://acp.copernicus.org/articles/21/717/2021/},
DOI = {10.5194/acp-21-717-2021}
}