Grutsch, J. F. <br/><br/>
Chemical coagulation/mixed-media filtration of aerated lagoon effluent / 
by J. F. Grutsch, R. C. Mallatt [and] A. W. Peters 
 - Washington, D.C. :  United States Government Printing Office,  1975 
 - viii, 103 p. ;  28 cm. 
 - Environmental protection technology series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Filtration<br/>Water--Phosphorus content
<br/><br/><label>Dewey Class. No.: </label>637.356