Applied Audiometry/
O`Neill, John J
Applied Audiometry/ John J.O`Neill, Herbert J.Oyer. - New York: DODD, Mead and Company, 1966. - 368 pages.
Applied Audiometry/ John J.O`Neill, Herbert J.Oyer. - New York: DODD, Mead and Company, 1966. - 368 pages.