Halacy, D. S. 1919- The coming age of solar energy, by D. S. Halacy, Jr. - [1st ed.] - New York, Harper & Row [1963] - 241 p., illus. 22 cm. LCCN: 63015951 Nat. Bib. No.: GB66-23264 Subjects--Topical Terms: Solar energy. LC Class. No.: TJ810 / .H29 Dewey Class. No.: 621.47 / HAT