Sargent, Donald H. <br/><br/>
A planned maintenance management system for municipal wastewater treatment plants 
by Donald H. Sargent and David A. Rudich 
 - Washington, D.C. :  U.S. Environmental Protection Agency,  1973 
 - vi, 109 p. :  ill. ;  28 cm. 
 - Environmental protection technology series .
<br/><br/> EPA-600/2-73-004 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water reuse--Congresses
<br/><br/><label>Dewey Class. No.: </label>363.7284