The environmental handboook.  prepared for the first national environmental tech-in. 
Garret DE Bell. 
 - New York :  Intext,  1970. 
 - viii, 367 p. : 
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<br/><br/><label>ISBN: </label>345018923595 345018931195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>363.7  / ENV