000 00286nam a2200133Ia 4500
100 _aBallantyne, John
020 _a0 443 01602 X
250 _a3rd ed
942 _cBK
245 _aDeafness
260 _aChurchill Livingstone, London
_c1977``
082 _a617.89 Bal
300 _a250
999 _c15728
_d15728