Standard methods :  for the examination of water and westewater / 
managing ed. Mary Ann H. Franson 
 - 19th ed. 
 - páginas 
<br/><br/><label>ISBN: </label>0875532233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Análisis<br/>Aguas residuales--Análisis
<br/><br/><label>LC Class. No.: </label>QD142  / S72 1995