Suhm M.A., J.T. Farrell Jr., S.H. Ashworth, and D.J. Nesbitt, The Journal Of Chemical Physics 98, 5985 (1993).
Suhm M.A., J.T. Farrell Jr., A. McIlroy, and D.J. Nesbitt, The Journal Of Chemical Physics 97, 5341 (1992).