Anarobic aerobic ponds for beet sugar waste treatment: / 
by Wiliam J. Oswald ... [et al] 
 - Washington, D.C. :  U.S. Government Printing Office,  1973 
 - ix, 153 p. ;  28 cm. 
 - Environmental Protection Technology Series .
<br/><br/> "EPA-R2-73-025, fEBRUARY 1973." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Handbooks, manuals, etc.<br/>Water-supply engineers--Training of--Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>628.2