U. Litzen,Colloquium on atomic Spectra and Osaillator Strengths for Astrophysics and Fusion Research.Colloquium on atomic Spectra and Oscillator Strengths for Astrophysics and Fusion Research (1983 : Lund).R. S. A. S.,1984.
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.