Jerger, James, Modern developments in audiology/ - New York, Academic Press, 1963. - xii, 446 p. illus., diagrs. 24 cm. Includes bibliographies. LCCN: 63021404 Subjects--Topical Terms: Audiology. LC Class. No.: QP461 / .J4 1963 Dewey Class. No.: 617.89 JER