Ratston, Anthony (ed) & Reilly, Edwin D. (ed) <br/><br/>
Encyclopedia of computer science 

 - 3rd ed 
 - Chapman & Hall, London  1993 
 - 1558 
<br/><br/><label>ISBN: </label>0-412-49710-7 
<br/><br/><label>Dewey Class. No.: </label>R001.03 Rat/Rei