1. Dow Corning Corporation, 4742 Liberty Rd. S #346, Salem, OR 97302, US. e-mail: k.broker@dowcorning.com
2. Bagatelos Architectural Glass Systems, Inc., 2750 Redding Ave., Sacramento CA 95820-2156, US. e-mail: sfisher@bagatelos.com
3. Dept. of Architectural Engineering, Penn State Univ., 104 Engineering Unit A, Univ. Park, PA 16802, US. e-mail: memari@engr.psu.edu