JOURNAL OF PHYSICAL CHEMISTRY, vol. 99, no. 17, page. 6263 - 6266, 1995-04-27
OPTICS LETTERS, vol. 20, no. 4, page. 389 - 391, 1995-02-15
JOURNAL OF CHEMICAL PHYSICS, vol. 102, no. 10, page. 4063 - 4068, 1995-03-08