Standard methods for the examination of water and wastewater / 

 - 14th ed. 
 - Washington:  American Public Health Association,  1976 
 - xxxix, 1193 p.:  ill. ;  23cm 
<br/><br/> Acc. No. 07474 
<br/><br/><label>ISBN: </label>0875530788 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage - Analysis<br/>Water - Analysis