000 00268nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a577.1
100 _aANIL KUMAR
245 0 _aENVIRONMENTAL CHEMISTRY
260 _bNEW AGE
365 _b115.00
942 _cBTECH
999 _c123391
_d123391