AMERICAN WATER WORKS ASSN. <br/><br/>
STANDARD METHODS FOR THE EXAMINATION OF WATER 

 - Washington  AMERICAN PUBLIC HEALTH ASSOCIATION (APHA)  1995 
 - 29X22CMS.,1034p. 
<br/><br/><label>ISBN: </label>0-87553-223-3 
<br/><br/><label>Dewey Class. No.: </label>628.16 A5121