Barbara H.]]William A. Glenn]]Kolar,American Solar Energy Society,The Renewable Challenge.The Renewable Challenge (1982 : Houston, Texas)：1982 Annual Meeting American Solar Energy Society, Houston, Texas. Conferene papers proceedings．V.1.A. S. I. S. E. S.,1982.
Barbara H.]]William A. Glenn]]Kolar,American Solar Energy Society,The Renewable Challenge.The Renewable Challenge (1982 : Houston, Texas)：1982 Annual Meeting American Solar Energy Society, Houston, Texas. Conferene papers proceedings．V.2.A. S. I. S. E. S.,1982.
