Caldwell, Lynton K.  1913- <br/><br/>
In defense of earth :  international protection of the biosphere / 
Lynton K. Caldwell 
 - Bloomington, Ind. :  Indiana University Press,  1972 
 - x, 295 p. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy
<br/><br/><label>Dewey Class. No.: </label>301.31