Van Ballenberghe, Victor. <br/><br/>
Ecology of the timber wolf in Northeastern Minnesota / 
by Victor Van Ballenberghe, Albert W. Erickson, and David Byman. 
 - 43 pages :  illustrations ;  26 cm. 
 - Wildlife monographs ;  no. 43 .
 - Wildlife monographs ;  no. 43. .
<br/><br/> "April 1975." 
<br/><br/>Bibliography: pages 41-43. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wolves--Ecology--Minnesota.
<br/><br/><label>LC Class. No.: </label>QL1  / .W54 no. 43