000			004920000a22001810004500
245			_aPrinciples of surface water quality modeling and control
100			_aThomann, Robert V.
100			_aMueller, John A.
260			_aNew York _bHarper Collins _c1987
300			_a644p. : ill.
020			_a0060466774
080			_a628.19 _bT5
650			_aWATER POLLUTION-WATER QUALITY
650			_aWATER POLLUTIION
650			_aWATER RESOURCES-MANAGEMENT
041			_aEN
942			_cBK
999			_c62402 _d62402