000			003980000a22001690004500
245			_aApplied stream sanitation
100			_aVelz, Clarence J.
250			_a2d ed.
260			_aNew York _bJohn Wiley _c1984
300			_a800 p.
020			_a0-471-86416-1
080			_a628.3 _bV4
650			_aWASTEWATER TREATMENT
650			_aWATER TREATMENT, INDUSTRIAL
041			_aEN
942			_cBK
999			_c67769 _d67769