National conference on association for computing machinery (19th  1964  Pennselvania) <br/><br/>
Association for computing machinery  Proceedings 
by Association for computing machinery 
 - New York  ACM  1964 
 - viii, sectional 
 - ACM Publication P- 64 .
<br/><br/><label>LCCN: </label>64-25615 
<br/><br/><label>Dewey Class. No.: </label>001.6406  / N642