1. Professor, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA.
2. Former Graduate Student, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA.
3. Research Associate, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA.
4. Charles and Elinor Matts Professor, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA.