Greenwald, Martin L., 1943- Practical solar energy technology / Martin L. Greenwald, Thomas K. McHugh. - Englewood Cliffs, N.J. : Prentice-Hall, c1985. - xii, 259 p. : ill. ; 29 cm. ISBN: 0136939791 : $24.95 Subjects--Topical Terms: Solar energy. LC Class. No.: TJ810 / .G74 1985 Dewey Class. No.: 621.47�19