Winter, F. d. [. (1978). Sun,Mankind's future sources of energy: Proceedings of the international solar enery society congress newdelhi-January 1978. Pergamon Press.

Winter, Francis de [Ed.]. Sun,Mankind's Future Sources of Energy: Proceedings of the International Solar Enery Society Congress Newdelhi-January 1978. New York: Pergamon Press, 1978.

Winter, Francis de [Ed.]. Sun,Mankind's Future Sources of Energy: Proceedings of the International Solar Enery Society Congress Newdelhi-January 1978. Pergamon Press, 1978.