1 C.. Cerjan, R.M. Hedges, C.R. Holt, W.P. Reinhardt, K.F. Scheibner, and J.J. Wendoloski, International Journal of Quantum Chemistry 14, (1978).
1 P.C. Engelking, R.R. Corderman, J.J. Wendoloski, B.. Ellison, S.V. Oneil, and C.. Lineberger, The Journal of Chemical Physics 74, (1981).