JOURNAL OF PHYSICS-CONDENSED MATTER, vol. 4, no. 23, page. 5263 - 5272, 1992-06-08
PHYSICS AND CHEMISTRY OF LIQUIDS, vol. 26, no. 2, page. 135 - 141, 1993-01
JOURNAL OF PHYSICS-CONDENSED MATTER, vol. 3, no. 23, page. 4301 - 4306, 1991-06-10