PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA 

 - Etats-Unis, Philadelphia :  Academy of Natural Sciences,  [19--] 
 - A 
<br/><br/><label>ISSN: </label>00973157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sciences Naturelles<br/>Zoologie<br/>Sciences naturelles