National Solar Energy Convention Annamalai University, Solar Energy Society of India, & Annamalai University. (1981). National Solar Energy Convention, 1980, of Solar Energy Society of India, December 19, 20, 21, 1980: Proceedings. Allied Publishers.

National Solar Energy Convention Annamalai University, Solar Energy Society of India, and Annamalai University. National Solar Energy Convention, 1980, of Solar Energy Society of India, December 19, 20, 21, 1980: Proceedings. New Delhi: Allied Publishers, 1981.

National Solar Energy Convention Annamalai University, et al. National Solar Energy Convention, 1980, of Solar Energy Society of India, December 19, 20, 21, 1980: Proceedings. Allied Publishers, 1981.