@Article{acpd-9-4231-2009,
AUTHOR = {Nadykto, A. B. and Yu, F. and Herb, J.},
TITLE = {Ammonia in positively charged pre-nucleation clusters: a quantum-chemical  study and atmospheric implications},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {9},
YEAR = {2009},
NUMBER = {1},
PAGES = {4231--4249},
URL = {http://www.atmos-chem-phys-discuss.net/9/4231/2009/},
DOI = {10.5194/acpd-9-4231-2009}
}