Aviation Week and Space Technology 

 - National  McGraw-Hill  2005-2006 
 -  163-164 .
<br/><br/> Issue No. 13-23 (2005),1-5(2006) bound together 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Digit<br/>Computer Science