000			00393nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0-07-018903-x
082			_a628.3 _bECK
100			_aEckenfelder, W
245		0	_aIndustrial water pollution control
260			_aNew Delhi : _bMcgraw-Hill Publication, _c1989.
300			_axiv,400
365			_a502.55
650			_aCivil Engineering
999			_c130845 _d130845