Abbasi, S.A. Renewable energy sources and their environmental impact / by S.A. Abbasi and Naseema Abbasi. - New Delhi : Prentice Hall of India, 2001. - x, 162 p. ; 24 cm. ISBN: 8120319028 Subjects--Topical Terms: Renewable energy sources --Environmental impact. Dewey Class. No.: 333.794 ABA / 1677