Morgan, J C <br/><br/>
ERRORS OF REFRACTION IN THE EYES OF MICROSCOPISTS.  [electronic resource] 

 -  Science (New York, N.Y.)  Jul 1880 
 - 8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.os-1.2.8-a  doi