BASWORTH B. <br/><br/>
CODES CIPHERS AND COMPUTERS 

 -  NEWJERSEY : HAYDEN BOOKS  1982 
 - 259 p. 
<br/><br/><label>ISBN: </label>0000810451492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER SCIENCE
<br/><br/><label>Dewey Class. No.: </label>004  / B57