Ecology of the subarctic regions;  proceedings of the Helsinki symposium. Ecologie des regions subarctiques, actes du Collogue d'Helsinki 
[organise par le gouvernment finlandais et l'Unesco, en cooperation avec l'Union geographique internationale du 25 juillet au 3 ao^ut 1966]. 
 - Paris,  Unesco,  1970. 
 - Ecology and conservation. Ecologie et conservation, 1 .
 - Ecology and conservation ;  1. .
<br/><br/> "SC.68/XXIV.1/AF."  English and French.  Added title, table of contents and preface in French. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label> 76.00F 
<br/><br/><label>LCCN: </label>72190168 //r86 
<br/><br/><label>Nat. Bib. No.: </label>F70-5547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology -- Arctic regions -- Congresses.--Ecology -- Arctic regions -- Congresses.--Ecology -- Arctic regions -- Congresses.
<br/><br/><label>LC Class. No.: </label>QH541.5.P6  / E36 
<br/><br/><label>Dewey Class. No.: </label>574.5/26/0911