TY  - BOOK
AU  - Ballantyne John C
TI  - Deafness
SN  - 0700014659
AV  - WV270  
U1  - 617/.8 
PY  - 1970///
CY  - London
PB  - Churchill
KW  - Deafness
N1  - Bibliography: p. 260-263
ER  -