000 00272nam a2200109 4500
999 _c337553
_d337553
082 _a551.9
_bWIL.I
100 _aWillard (Hobart H )
245 _aInstrumental methods of analysis
_cWillard (Hobart H )
250 _aSeventh
260 _aNew Delhi
_c1986
_bCBS
942 _cBK