Wang, S <br/><br/>
Retroreflective properties of a hemispherical surface.  [electronic resource] 

 -  Applied optics  Aug 1993 
 - 4279-81 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1559-128X 
<br/><br/><label>Standard No.: </label>10.1364/AO.32.004279  doi