Viggiano A.A., R.A. Morris, F. Dale, J.F. Paulson, and E.E. Ferguson, The Journal Of Chemical Physics 90, 1648 (1989).
Bopp J.C., J.R. Roscioli, M.A. Johnson, T.M. Miller, A.A. Viggiano, S.M. Villano, S.W. Wren, and C. Lineberger, The Journal Of Physical Chemistry A 111, 1214-1221 (2007).