standard methods for the examination of water and sewage/ 
Revised by the American public Health Association. 
 - 4th Ed. 
 - Boston:  American public Health Association,  1917. 
 - 115 p . :  ill. ;  25cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781293791363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water analysis.<br/>Sewage analysis.
<br/><br/><label>Dewey Class. No.: </label>QD142  / STA 1917