ADVANCES IN CHEMICAL PHYSICS, vol. 101, page. 141 - 183, 1997-01
JOURNAL OF PHYSICAL CHEMISTRY, vol. 100, no. 6, page. 2399 - 2409, 1996-02-08
JOURNAL OF CHEMICAL PHYSICS, vol. 102, no. 10, page. 4063 - 4068, 1995-03-08