Contributions to palaeontology. 

 - Washington :  Carnegie Institution,  1930. 
 - 112 p. :  il. ;  26 cm 
 - Publication  404 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>56(7)