1. Associate Member, ASCE
2. Members, ASCE
3. Asst. Res. Engr., Dept. of Civ. and Envir. Engrg., Univ. of California, Davis, CA 95616.
4. Assoc. Prof., Dept. of Civ. and Envir. Engrg., Univ. of California, Davis, CA.
5. Prof., Dept. of Civ. and Envir. Engrg., Univ. of California, Davis, CA.