Wilfarth, Martin. <br/><br/>
Der Atemrüssel der Hadrosauriden. 

 - Halle (Saale)  W. Knapp  [1940] 
 - 24 p.  illus., diagrs.  23 cm. 
<br/><br/>"Literaturverzeichnis": p. [22]-24. 
<br/><br/><label>LCCN: </label>af 48001283  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trachodontidae.<br/>Skull.
<br/><br/><label>LC Class. No.: </label>QE862.D5  / W5