000			00359nam a2200109Ia 4500
008			160316s1981 xxu||||| |||| 00| 0 eng d
100			_aBiswas, Asit K., Ed.
245			_aModels for water quality management _b/ Biswas, Asit K., Ed.
260			_aNew York _bMcGraw-Hill International Book Company _c1981
300			_axiv,348p.
650			_aWATER QUALITY MANAGEMENT
999			_c67020 _d67020