2nd E.C. Photovoltaic Solar Energy Conference : proceedings of the international conference, held at Berlin (West), 23-26 April 1979 / edited by R. van Overstraeten and W. Palz. E.C. Photovoltaic Solar Energy Conference (2nd : 1979 : Berlin, Germany) Overstraeten, R. van. Palz, W. (Wolfgang), 1937- Commission of the European Communities. Photovoltaic power generation Congresses. TK2960 .P47 1979 621.475 PHP At head of title: Commission of the European Communities. Includes bibliographical references and index. Dordrecht, Holland ; Boston : D. Reidel Pub. Co., c1979. c1979. 1979 Text xviii, 1210 p. : eng