Zoran Konkoli Dieter Cremer Elfi Kraka Diabatic ordering of vibrational normal modes in reaction valley studies. 1282-1294 1997 18 Journal of Computational Chemistry 10 http://dx.doi.org/10.1002/(SICI)1096-987X(19970730)18:10<1282::AID-JCC3>3.0.CO;2-J db/journals/jcc/jcc18.html#KonkoliCK97