1. Lecturer, Mona School of Engineering, Univ. of the West Indies, Mona Campus, Mona, Kingston 7, Jamaica.
2. Professor, Dept. of Civil and Environmental Engineering, Florida A&M Univ. - Florida State Univ. (FAMU-FSU), College of Engineering, 2525 Pottsdamer St., Rm. 129, Tallahassee, FL 32310.