@Article{acpd-4-1887-2004, AUTHOR = {Ettner, M. and Mitra, S. K. and Borrmann, S.}, TITLE = {Heterogeneous freezing of single sulphuric acid solution droplets: laboratory experiments utilising an acoustic levitator}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {4}, YEAR = {2004}, NUMBER = {2}, PAGES = {1887--1909}, URL = {http://www.atmos-chem-phys-discuss.net/4/1887/2004/}, ISSN = {1680-7367} }