Unger, Hans-Georg, 1926- Introduction to quantum electronics / H.-G. Unger. - Oxford : Pergamon Press, [1970] - xi, 184 p. : ill. ; 21 cm. - International series of monographs in natural philosophy ; v. 27 . Bibliography: p. 171-173. Translation of Quantenelektronik. ISBN: 0080063683 LCCN: 76086534 Subjects--Topical Terms: Quantum electronics.Lasers.Masers. Dewey Class. No.: 537.5