O'Neill, John Joseph, 1920- Applied audiometry [by] John J. O'Neill [and] Herbert J. Oyer. - New York, Dodd, Mead, 1966. - x, 368 p. illus. 24 cm. Bibliographical footnotes. LCCN: 66011702 Subjects--Topical Terms: Audiometry. LC Class. No.: RF294 / .O5 Dewey Class. No.: 617.8075 ONE O National Library of Medicine Call No.: WV 272 / O58a 1966