TY - JOUR A1 - Nadykto, A. B. A1 - Yu, F. A1 - Herb, J. T1 - Ammonia in positively charged pre-nucleation clusters: a quantum-chemical study and atmospheric implications JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 9 IS - 1 SP - 4231 EP - 4249 Y1 - 2009/02/09 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/9/4231/2009/ L1 - http://www.atmos-chem-phys-discuss.net/9/4231/2009/acpd-9-4231-2009.pdf ER -