Morse, Philip M. 1903-1985. Theoretical acoustics [by] Philip M. Morse [and] K. Uno Ingard. - New York, McGraw-Hill, [c1968] - xix, 927 p. illus. 23 cm. - International series in pure and applied physics . Bibliography: p. 886-887. LCCN: 67015428 Subjects--Topical Terms: Sound. LC Class. No.: QC225 / .M67 1968 Dewey Class. No.: 620.2 MOR I