Rai, P., Furger, M., Slowik, J. G., Zhong, H., Tong, Y., Wang, L., … Prévôt, A. S. H. (2021). Characteristics and sources of hourly elements in PM10 and PM2.5 during wintertime in Beijing. Environmental Pollution, 278, 116865 (11 pp.). https://doi.org/10.1016/j.envpol.2021.116865