Ludlam, W <br/><br/>
Optometry and the new metrology.  [electronic resource] 

 -  American journal of optometry and archives of American Academy of Optometry  Aug 1966 
 - 525-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9408 
<br/><br/><label>Standard No.: </label>10.1097/00006324-196608000-00004  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Optometry