1. Ph.D. Student, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR.
2. Professor, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR.
3. Professor, Civil, Environmental, and Architectural Engineering, Univ. of Colorado Boulder, Boulder, CO.
4. Assistant Professor, Dept. of Construction Science, Texas A&M Univ., College Station, TX.