000 00258nam a22000977a 4500
999 _c16264
_d16264
245 _aIS 10565:1999-Diagnostic Audiometers
260 _aNew Delhi :
_bBureau of Indian Standards (BIS),
_c1999.
300 _a14 p.
650 _aDiagnostic audiometers
942 _cST