Rao, S. Energy technology : S. Rao and B.B. Parulekar nonconventional renewable and conventional / - 3 R.ed. - New Delhi : Khanna Pub, c2018 - 1144p. : 22 cm. includes bibliographical references and index ISBN: 9788174090401 Subjects--Topical Terms: Solar energy Dewey Class. No.: 621.47 R215e