000			00577nam a22001937a 4500
008			230609b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a628.39 _bN3
100			_aPalharya, J P
245			_aEnvironmental impact of sewage and effluent disposal on the river system
260			_aNew Delhi: _bAshish Publishing House, _c1993
300			_a179p.
650			_aScience
653			_aEnvironmental science
653			_aPollution
700			_aSiriah, V K
700			_aMalviya, Shobha
942			_2udc _cBK
999			_c41330 _d41330