Orr, William D. <br/><br/>
Conversational computers / 
William D. Orr. 
 - New York :  John Wiley and Sons,  [1968] 
 - xviii, 227 p.  illus.  24 cm. 
<br/><br/>Bibliography: p. 88-89. 
<br/><br/><label>LCCN: </label>67030916  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time-sharing computer systems.<br/>Online data processing.
<br/><br/><label>LC Class. No.: </label>QA 76.5  / O75c 1968 
<br/><br/><label>Dewey Class. No.: </label>621.3819/58