1. Associate Professor, 203 Corley Bldg., Biosystems Engineering, Auburn Univ., Auburn, AL (corresponding author).
2. Professor, 118 M. Miller Gorrie Center, McWhorter School of Building Science, Auburn Univ., Auburn, AL.
3. Formerly Graduate Student, McWhorter School of Building Science, Auburn Univ., Auburn, AL.
4. Professor, 609 Caldwell Hall, School of Environmental Design, Univ. of Georgia, Athens, GA.