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 :  UNESCO,  1970 
 - 272 p. 
 - Natural resources research  ; 10 .
 - Natural resources research  ; 10 .
<br/><br/><label>LCCN: </label>46048 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología animal.<br/>Ecología humana.<br/>Ecología vegetal.<br/>Ecosistema.<br/>Recursos naturales--Conservación.
<br/><br/><label>Dewey Class. No.: </label>581.5  / U5