Modeling of magic water clusters (H2O)20 and (H2O)21H+ with the PM3 quantum-mechanical method. - Marcus W. Jurema; Karl N. Kirschner; George C. Shields (J. Comput. Chem., 1993)

Ability of the PM3 quantum-mechanical method to model intermolecular hydrogen bonding between neutral molecules. - Marcus W. Jurema; George C. Shields (J. Comput. Chem., 1993)