Ruben, John <br/><br/>
Paleobiology and the origins of avian flight.  [electronic resource] 

 -  Proceedings of the National Academy of Sciences of the United States of America  Feb 2010 
 - 2733-4 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>1091-6490 
<br/><br/><label>Standard No.: </label>10.1073/pnas.0915099107  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adaptation, Biological--physiology<br/>Animals<br/>Biological Evolution<br/>Birds--physiology<br/>Flight, Animal--physiology<br/>Fossils<br/>Paleontology