BOTHA, B <br/><br/>
STUDIES OF DISPLAY SYMBOL LEGIBILITY. II. THE EFFECTS OF THE RATIO OF WIDTHS OF INACTIVE TO ACTIVE ELEMENTS WITH A TV SCAN LINE AND THE SCAN PATTERN USED IN SYMBOL CONSTRUCTION. TECHN DOCUM REP ESD-TDR-63-440.  [electronic resource] 

 -  Technical documentary report. United States. Air Force. Systems Command. Electronic Systems Division  Sep 1963 
 - 1-25 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ergonomics<br/>Language<br/>Reading<br/>Visual Perception