Solar energy for development : proceedings of the international conference held at Varese, Italy, March 26-29, 1979 by the Commission of the European Communities / edited by W. Palz. Palz, W. (Wolfgang), 1937- Commission of the European Communities. Solar energy Congresses. TJ810 .S4888 530.1 SOL The Hague ; Boston : Nijhoff for the Commission of the European Communities ; Hingham, MA : distribution for the U.S., Kluwer Boston, 1979. 1979. 1979 Text 240 p. : eng