Larsen, James A.,   1921-1992 <br/><br/>
The northern forest border in Canada and Alaska : biotic communities and ecological relationships  / 
James A. Larsen. 
 - New York :   Springer-Verlag,   1988. 
 - xiii, 255 p.  foto., tbls. 
 - Ecological studies ;   70. .
<br/><br/><label>ISBN: </label>0387967532 
<br/><br/><label>Dewey Class. No.: </label>574