Brewer, Robert N. Solar applications in agriculture / Robert N. Brewer...[et al.]. - Philadelphia : The Franklin Institute Press, ©1981. - 143 p. : ill. ; 26 cm. Bibliography : p. 134 . 331 331 ISBN: 0-89168-034-9 Subjects--Topical Terms: Cosmology. Dewey Class. No.: 630.23 / B757s