Use and conservation of the biosphere :  proceedings of the Intergovernmental Conference of Experts on the scientific basis for rational use and conservation of the resources of the biosphere Paris, 4-13 Sept. 1968. 

 - Liège :   Unesco,   c 1970. 
 - 272 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>323  323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biosphere 
<br/><br/><label>Dewey Class. No.: </label>500 / U3u