Environmental technology sources :    matching solutions to problems . 

 - Washington, D.C. :    United States Environmental Protection Agency,    1992. 
 - 19 p. :    ill. ;    30 cm. 
<br/><br/>  EPA/600/9-91/011 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Technology -- Information services
<br/><br/><label>Dewey Class. No.: </label>620.8