000			003790000a22001450004500
008			151127t1968 xxu||||| |||| 00| 0 eng d
020			_a0-292-73690-8
041			_aeng
080			_a628.3 _bW3
942			_cBK
100			_aGloyna, Earnest F., ed.
100			_aEckenfelder, Wesley W., ed.
245			_aAdvances in water quality improvement
260			_aAustin _bTexas _c1968
999			_c139608 _d139608