Michels, Tim. Solar energy utilization / Tim Michels. - New York : Van Nostrand Reinhold, c1979. - xiv, 253 p. : ill. ; 22 x 29 cm. Includes bibliographical references (p. 235-239) and index ISBN: 0442253680 Subjects--Topical Terms: Solar energy. Dewey Class. No.: 333.7