000 00425nam a2200169Ia 4500
005 20250114171214.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _bI9
_aP:10C30S:23
100 _aCanfield, Norton
245 _aHearing : Handbook for laymen.
260 _c1959
_bEyre and Spottiswoode
_aLondon
300 _a176p.
365 _cRs.
650 _aP:10C30S:23
700 _aCanfield, Norton
999 _c11393
_d11393