Brotherton, M. Masers and lasers, how they work, what they do. - 2 ed. - New York McGraw-Hill 1964. - xvi, 207 p. illus., diagrs. Includes index. LCCN: 63023249 //r88 Subjects--Topical Terms: MasersLasers LC Class. No.: TK7872.M45 / B7 Dewey Class. No.: 621.381