TY  - BOOK
AU  -  Stevens,S.S.
AU  -  Warshofsky,Fred
TI  - Sound and hearing / 
U1  - 500 
PY  - 1980///
CY  - Alexandria, Va.
PB  - Time-Life Books
KW  - Sound
KW  - Popular works
KW  - Hearing
ER  -