000 00403cam a2200169ua 4500
001 6552
008 120421n1994 II |||gr||||Z||||||eng
040 _aMAIN
041 _aEnglish
082 _a540 DEY
100 _aDEY, A. K.
245 _aENVIRONMENTAL CHEMISTRY
260 _aMEERUT
_bKRISHNA PRAKASHAN MANDIR
_c1994
300 _a364:
_c22CM.
653 _aChemistry & allied sciences
942 _cBK
999 _c6537
_d6537