00678nam a2200181Ia 4500008004100000082001700041100001600058245013700074250000600211260003600217300000800253650003800261650003400299653002000333942001200353999001700365952011400382170901s1971 xx 000 0 und d a628.16bJ22W aJames, G.V. 0aWater TreatmentbA survey of current methods of purifying domestic supplied and of treating Industrial Effluents and Domestic Dewage a4 aScotlandbTechnical Pressc1971 a311 aEngineering and allied operations aTechnology (Applied sciences) aWater treatment 2ddccBK c12151d12151 00102ddc4070aRAUbRAUd2017-10-18eCTL, Calcuttag8.60l0o628.16 J22Wp24412r2017-10-18w1981-02-28yBK