@article{HOEPFNER19_NGEO, author = "M. H{\"o}pfner and J. Ungermann and S. Borrmann and R. Wagner and R. Spang and M. Riese and G. Stiller and O. Appel and A. M. Batenburg and S. Bucci and F. Cairo and A. Dragoneas and F. Friedl-Vallon and A. H{\"u}nig and S. Johansson and L. Krasauskas and B. Legras and T. Leisner and C. Mahnke and O. M{\"o}hler and S. Molleker and R. M{\"u}ller and T. Neubert and J. Orphal and P. Preusse and M. Rex and H. Saathoff and F. Stroh and R. Weigel and I. Wohltmann", title = "Ammonium nitrate particles formed in upper troposphere from ground ammonia sources during {A}sian monsoons", journal= "Nat. Geosci.", volume = "12", doi = "10.1038/s41561-019-0385-8", year = "2019" }