Dice, L R <br/><br/>
THE MICHIGAN ACADEMY OF SCIENCE, ARTS AND LETTERS.  [electronic resource] 

 -  Science (New York, N.Y.)  May 1924 
 - 467-70 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.59.1534.467  doi