000 00329nam a2200121Ia 4500
008 200526s9999||||xx |||||||||||||| ||und||
082 _a617.886 LUD B
100 _aLudvigsen, C. , Barfod, J
245 0 _aSensorineural Hearing Impairment and Hearing Aids
264 _bAlmqvist and Wiksell
_c1978
300 _a480p.
942 _c
999 _c11048
_d11048