1 C.. Lineberger, M.E. Nadal, P.J. Campagnola, V.. Vorsa, P.D. Kleiber, J.M. Papanikolas, P.E. Maslen, J.. Faeder, R.P. Parson, and O.E. Poplawski, in Unkniwn (1994).
1 P.E. Maslen, J.M. Papanikolas, J.. Faeder, R.P. Parson, and S.V. Oneil, The Journal of Chemical Physics 101, (1994).