UNESCO <br/><br/>
Proceeding on ecology of the suparctic regions 

 -  1970 
 - 303p.  cm. 
 - Ecology and conservation; 1 .
<br/><br/><label>Standard No.: </label>71458 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>G:5p197,N66, L0