Townes, C. H. Miscrowave spectroscopy / C. H. Townes and A. L. Schawlow - New York : McGraw-Hill , 1955 - xviii, 698 p. : ill. ; 23 cm. - International series in pure and applied physics . Includes bibliographical references and index ISBN: USD 13.50 Subjects--Topical Terms: Microwave spectroscopy Dewey Class. No.: 539.1