Lapp, Ralph Eugene Matter by Ralph E. Lapp and the editors of Life. - New York Time, inc. [1963] - 200 p. illus. (part col.) ports., facsims. 28 cm. - Life science library . Bibliography: p. 196. LCCN: 63021668 //r88 Subjects--Topical Terms: Matter LC Class. No.: QC171 / .L33 Dewey Class. No.: 530.1