Hay, O P <br/><br/>
THE GEOLOGICAL AND GEOGRAPHICAL DISTRIBUTION OF SOME PLEISTOCENE MAMMALS.  [electronic resource] 

 -  Science (New York, N.Y.)  Dec 1909 
 - 890-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.30.781.890  doi