Wilson, Robert W. <br/><br/>
Studies on Cenozoic Vertebrates of western North America. 

 - Washington :  Carnegie Institution,  1938. 
 - 281 p. :  il. ;  25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología<br/>Paleozoología<br/>Vertebrata
<br/><br/><label>Subjects--Geographic Terms: </label><br/>América del Norte
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>566(7):551.7