00761cam a22002654a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080001000124100001500134245004800149260006100197300001100258500007100269500002500340500001100365650002900376650001700405650003100422655001900453700002300472AR-SsjUIB20250710145608.0250429s1983    xxu           000 0 eng d  a0667061501  aAR-SsjUIBcAR-SsjUIB0 aeng  axxu  a543.31 aFrei,R. W.10aAnalysis and Chemistry of Water Pollutants.  aNew York :bGordon and Breach Science Publishers,c1983.  a290 p.  atCurrent topics in environmental and toxicological chemistry-V.6.  aEs V.6 de una serie.  aLIFBI. 7aAgua contaminada2spines 7aAgua2spines 7aAnálisis de agua2spines 7aLibro2unescot1 aBrinkman, U. A. Th