000			00368nam a2200145Ia 4500
008			220709b1972 xxu||||| |||| 00| 0 eng d
020			_a0070642141
082			_a628.16011 _bT35S
100			_aThomann,Robert V.
245			_aSystems analysis and water quality management
260			_aNew York _bMcGraw-Hill Book Company _c1972
300			_axvi,286
690			_aWater Quality
942			_cBooks
906			_a155640
981			_aNew York: McGraw-Hill Book Company, 1972.
982			_axvi,286
983			_aSystems analysis and water quality management
999			_c139767 _d139767