1. Assistant Professor, 233 Jarvis Hall, Dept. of Civil, Structural, and Environmental Engineering, State Univ. of New York at Buffalo, Buffalo, NY 14260.
2. Deceased December 21, 2001; formerly, Professor, V. T. Chow Hydrosystems Laboratory, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, Urbana, IL 61801.