1. Associate Professor and Chairman, Architectural Engineering Dept., King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, P.O. Box 1780, Saudi Arabia.
2. Assistant Professor, Architectural Engineering Dept., King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, P.O. Box 1917, Saudi Arabia.
3. Associate Professor, Architectural Engineering Dept., King Fahd Univ. of Petroleum and Minerals, Dhahran 31261, P.O. Box 689, Saudi Arabia.