1. Member, ASCE
2. Postgrad. Res. Engr., Dept. of Struct. Engrg., Univ. of California at San Diego, La Jolla, CA 92093-0085.
3. Prof. of Struct. Engrg., Univ. of California at San Diego, La Jolla, CA.
4. Res. Engr., Dept. of Struct. Engrg., Univ. of California at San Diego, La Jolla, CA.