Selection of hearing aids
Corliss, Edith L. R.
creator
text
u--
Washington, D. C
United States Department of Commerce, National Bureau of Standards
1951
monographic
eng
iv, 17 p. il. 23 cm.
Edith L. R. Corliss.
O198
Aparatos para la sordera
RF300 .C66 1951
E. U. National Bureau of Standards circular 516
181111
20190320205647.0
BRCA_6960