000 00368nam a2200145Ia 4500
008 160910s9999 xx 000 0 und d
040 _cSGVU Library
041 _cEnglish
100 _aDe, A.K.
245 _aEnvironmental Chemistry
_cBy A.K. De
260 _bNew Age International Pub., New Delhi.
520 _aEngineering
650 _aChemistry
942 _cBOOKS
999 _c8129
_d8129