Proceedings of the international computing (1973  Switzerland) <br/><br/>
International computing symposium   
ed by A. Gunther, B. Levrat and H. Lipps 
 - Amsterdam  North Holland  1974 
 - 635p. 
<br/><br/><label>ISBN: </label>0720420970 
<br/><br/><label>LCCN: </label>73-91449 
<br/><br/><label>Dewey Class. No.: </label>001.6406  / N74