TY - JOUR AU - M. Krishnamurthy AU - J. de Gouw AU - Li Ding AU - Veronica Bierbaum AU - Stephen Leone BT - The Journal of Chemical Physics DA - Jan-01-1997 DO - 10.1063/1.473964 PY - 1997 EP - 530 T2 - The Journal of Chemical Physics TI - Mobility and formation kinetics of NH4+ (NH3)n cluster ions (n=0\textendash3) in helium and helium/ammonia mixtures VL - 106 SN - 00219606 ER -