1. Asst. Prof., Dept. of Civ. Engrg., 4190 Bell Engrg. Ctr., Univ. of Arkansas, Fayetteville, AR 72701. E-mail: sburian@engr.uark.edu
2. Assoc. Prof., Dept. of Civ. and Envir. Engrg., Univ. of Alabama, Tuscaloosa, AL 35487.
3. Prof. and Chair, Dept. of Civ. and Envir. Engrg., Northern Arizona Univ., Flagstaff, AZ 86011.
4. Prof., Dept. of Civ. and Envir. Engrg., Univ. of Alabama at Birmingham, Birmingham, AL 35294.