Ostrom, John H.  1928-2005 <br/><br/>
Cranial morphology of the hadrosaurian dinosaurs of North America / 
John H. Ostrom. 
 -- New York :   [s.n.],   1961 
 - p. 37-186, [3]p. de lám. -- 
 (Bulletin of the American Museum of Natural History  ;  122, 2).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animales fósiles
<br/><br/><label>Universal Decimal Class. No.: </label>56:598.1