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 September 1968. 

 - [Paris] :   Unesco,   [1970]. 
 - 272 p. 
 - Natural resources research ;   10 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recursos naturais--Conservação--Congressos.
<br/><br/><label>Dewey Class. No.: </label>333.72