Materials for oxygenated wastewater treatment plant construction / 1978 
H.K. Uyeda...[et al.] 
 - Washington, D.C. :  United States Environmental Protection Agency,  1978 
 - x, 115 p. :  ill. ;  28 cm. 
 - Environmental protection series'  no.EPA-600/2-78-136 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>wastewater--Pollution
<br/><br/><label>Dewey Class. No.: </label>363.7284