Tiwari, G.N. Renewable energy resources : basic principles and applications / G.N. Tiwari. - New Delhi : Narosa pub., 2005. - xvi, 649 p. : ills.; 23 cm. Includes Index ISBN: 8173195633 Subjects--Topical Terms: Energy resources. Dewey Class. No.: 333.794 / TIR 2005