Agarwal, S K. Non-conventional energy system/ S K Agarwal - New Delhi : A.P.H. Pub. Corp., 2005 - viii, 160 p. : ill., map 23 cm. Includes Bibliographic references. ISBN: 9.7881764883e+012 Subjects--Topical Terms: Renewable energy sources. Universal Decimal Class. No.: 333.79