Beck, Alan M. <br/><br/>
The ecology of stray dogs :  a study of free-ranging urban animals / 
Alan M. Beck. 
 - Baltimore :  York Press,  [1973]. 
 - xiv, 98 p. ;  il. ;  24 cm. 
<br/><br/>Bibliografía: p. 85-92. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>0912752025 
<br/><br/><label>Subjects--Index Terms: </label>Canis lupus familiaris 
<br/><br/><label>Dewey Class. No.: </label>599.772