McQUARRIE, C W <br/><br/>
Critical flicker fusion in optometric practice.  [electronic resource] 

 -  The Optometric weekly  Jun 1951 
 - 1021-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0030-4093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flicker Fusion<br/>Humans<br/>Optometry<br/>Vision, Ocular