000			00557pam a2200181a 44500
008			160408b1979 xxu||||| |||| 00| 0 eng d
082			_a628.3 _bR18w
100			_aRao, M. N.
245	1		_aWASTE WATER TREATMENT _cRATIONAL METHODS OF DESIGN AND INDUSTRIAL PRACTICES
260			_aCalcutta _bOxford _c1979
300			_avii,338
650			_aSewage -- Purification -- Biological Treatment
650			_aSewage Disposal -- Environmental Aspects
650			_aFactory And Trade Waste
700			_aDatta, A. K.
964			_gCIRC
997			_aA63979 C
999			_c303656 _d303656