000 00285nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aGopal (Krishna)
245 0 _aFundamentals of Water and Waste Water
260 _cAPH Publs. Crop
365 _b0
650 _aNIL
942 _cBK
999 _c106992
_d106992