000 00569nam a2200169Ia 45e0
008 180816s2018 xx 000 0 und d
082 _a577.14
100 _aSharma , B.k
245 0 _aEnvironmental Chemistry
260 _bKRISHANA PUB , MEERUT
942 _2ddc
_cBK
999 _c1009
_d1009