Computer based information retrieval system / 
edited by Bernard Houghton. 
 - London :  Clive Bingley,  c 1968. 
 - 136 p. ;  23 cm. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information retrieval.
<br/><br/><label>Dewey Class. No.: </label>010.78 / H814c