Ross D. Adamson Jeremy P. Dombroski Peter M. W. Gill Efficient calculation of short-range Coulomb energies. 921-927 1999 20 Journal of Computational Chemistry 9 http://dx.doi.org/10.1002/(SICI)1096-987X(19990715)20:9<921::AID-JCC3>3.0.CO;2-K db/journals/jcc/jcc20.html#AdamsonDG99