ammonium sulfate

Höpfner, M., Ungermann, J., Borrmann, S., Wagner, R., Spang, R., Riese, M., et al. (2019). Ammonium nitrate particles formed in upper troposphere from ground ammonia sources during Asian monsoons. Nature Geoscience. http://doi.org/10.1038/s41561-019-0385-8
Contini, D., Cesari, D., Conte, M., & Donateo, A. (2016). Application of PMF and CMB receptor models for the evaluation of the contribution of a large coal-fired power plant to PM10 concentrations. Science Of The Total Environment. http://doi.org/10.1016/j.scitotenv.2016.04.031