Horwich, Robert H. <br/><br/>
The ontogeny of social behavior in the gray squirrel / 
by Robert H. Horwich 
 - Berlin :  Paul Parey in Berlin UND Hamburg,  1972 
 - 103 p. ;  27 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 39.60 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals
<br/><br/><label>Dewey Class. No.: </label>599.3232