Use and conservation of the biosphere :  proceedings. 

 - [Paris] :  Unesco,  [1970] 
 - Natural resources research ;  10 .
 - SC.69/XII.16/A .
 - [Document] (Unesco) ;  SC.69/XII.16/A. .
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>75024233 //r85 
<br/><br/><label>Nat. Bib. No.: </label>F*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources -- Congresses.--Conservation of natural resources -- Congresses.
<br/><br/><label>LC Class. No.: </label>S912  / .I57 1968 
<br/><br/><label>Dewey Class. No.: </label>333.7/2