Faul, Henry. Ages of rocks, planets, and stars. - New York : McGraw-Hill Book Co., [1966] - ix, 109 p. : illus. ; 21 cm. - Earth and planetary science series . Bibliography: p. 95-98. LCCN: 66028831 Subjects--Topical Terms: Geochronometry. LC Class. No.: QE508 / .F3 Dewey Class. No.: 551.701