Okun, Daniel Alexander <br/><br/>
Community wastewater collection and disposal / 
by Daniel A. Okun and George Ponghis 
 - Geneva :  World Health Organization,  1975 
 - 287 p. :  ill. ;  24 cm. 
<br/><br/> 'Corrigendum' (8 p.) inserted 
<br/><br/><label>ISBN: </label>9241560452 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewerage<br/>Sewage disposal
<br/><br/><label>National Library of Medicine Call No.: </label>WA785  / .O41c 1975 9