TY  - BOOK
AU  - Pierce,John Robinson
AU  - David,Edward E.
TI  - Man's world of sound
AV  - QP461 .P55
U1  - 612.85 
PY  - 1958///
CY  - Garden City, N.Y.
PB  - Doubleday
KW  - Hearing
KW  - Local
KW  - Communication
KW  - Electro-acoustics
KW  - Speech
N1  - Includes index; Bibliography : p.[273]-276
ER  -