Activity patterns in small mammals  An ecological approach 
Ed. by S. Halle, N.C. Stenseth 
 - Berlin  Springer  2000 
 - XXII,320p. 
 - Ecological studies  141 .
<br/><br/><label>ISBN: </label>354059244X 
<br/><br/><label>Dewey Class. No.: </label>599.80452  / P