000 00318nam a2200133Ia 4500
008 220919s9999 xx 000 0 und d
082 _bSIN
100 _aSINGH, DEVENDRA
245 0 _aCOMPREHENSIVE ENGINEERING CHEMISTRY
260 _bIK INTERNATIONAL
_c2007
300 _a343
650 _aChemistry
942 _cBK
999 _c142832
_d142832