Packard, Earl L. <br/><br/>
Marine mammals. 

 - Washington :  Carnegie Institution,  1934. 
 - 135 p. :  il. ;  25 cm 
 - Publication  447 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología<br/>Mammalia
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>569