000 00315nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
020 _a81 85842 84 1
082 _a577.14
_bSHA/E
100 _aSHARMA, B.K.
245 0 _aENVIRONMENTAL CHEMISTRY
260 _bGoel Publishing House, Meerut
_aMeerut
_c1994
942 _cBK
999 _c3609
_d3609