Hearing aids; an experimental study of design objectives
Title:
Hearing aids; an experimental study of design objectives
Author:
Davis, Hallowell, 1896-1992.
Personal Author:
Publication Information:
Cambridge, Mass. : Harvard Univ. Press, 1947.
Physical Description:
viii, 197 pages : illustrations
General Note:
Prepared by the Psycho-Acoustic Laboratory of Harvard University. cf. p. v.
Language:
English
Added Corporate Author:
Format :
Book