1. Ph.D. Candidate, Dept. of Architectural Engineering, Pennsylvania State Univ., 104 Engineering Unit A, University Park, PA 16802.
2. Associate Professor, Dept. of Architectural Engineering, Pennsylvania State Univ., 211 Engineering Unit A, University Park, PA 16802.
3. Charles and Elinor Matts Professor of Architectural Engineering, Dept. of Architectural Engineering, Pennsylvania State Univ., 208 Engineering Unit A, University Park, PA 16802.