Tokheim/Roger L  <br/><br/>
Digital principles 

 - Singapore  Mc Graw Hill  1988 
 - 323 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Digital principles
<br/><br/><label>Dewey Class. No.: </label>621.38179  / TOK