00778nam a2200181 a 450000500170000000800410001703500150005811000330007324500740010626000470018030000090022750501720023665000460040865000420045465000470049665000250054365000280056820260817162534.0                                          a.b1150948x1 aTexas.bUniversity at Austin10aAnalytical procedures and methods /cby Joseph F. Malina ... [et al.]  aAustin, Tex. :bUniversity of Texas,c1967  a3 v.0 av. 2. Stream analysis and thermal pollution, by Peter A. Krenkel ... [et al.].-v. 3. Physical, chemical and biological processes, by W. Wesley Eckenfelder ... [et al.]10aWaterxAnalysisxHandbooks, manuals, etc.10aWater-wastexHandbooks, manuals, etc.10aWaterxPollutionxHandbooks, manuals, etc.10aSewagexPurification10aFactory and trade waste