Ganczarczyk, J. <br/><br/>
Aerobic digestion of organic waste sludge, 
by Oklahoma State University, College of Engineering, School of Civil Engineering. [Authors: Q. B. Graves and others. 
 - Washington,  U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,  1971 [i.e 1972] 
 - xiv, 176p.  illus.  28cm. 
 - Water pollution control research series. .
<br/><br/> "[Prepared] for the Office of Research and Monitoring, Environmental Protection Agency."  Supt. of Docs.no: EP 1.16:17070DAU12/71. 
<br/><br/>Bibliography: p. 171-172. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage sludge.<br/>Sewage--Purification--Aeration.