Laporte, Leo F <br/><br/>
Encounter with the earth resources 

 - New York:  Harper & Row,  1975. 
 -  ix, 179p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>pollution
<br/><br/><label>Dewey Class. No.: </label>550  / LAE