000 00283nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aTRIVEDY (R.K);GOEL (P.K)
245 0 _aChemical and biological methods for wate
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c90899
_d90899