Culik, J. S. (Solarex Corp. Rockville, MD, United States)
Alexander, P. (Solarex Corp. Rockville, MD, United States)
Dumas, K. A. (California Institute of Technology, Jet Propulsion Laboratory, Pasadena CA, United States)
Wohlgemuth, J. W. (Cabot Corp. Billerica, MA, United States)