000 00298nam a2200109Ia 4500
100 _aEwing, Alexander & Ewing, Ethel C
942 _cBK
245 _aHearing aids lipreading and clear speech
260 _aManchester University Press, Manchester
_c1967
082 _a371.912 Ewi/Ewi
300 _ax,118p
999 _c13069
_d13069