Fourth generation:   International computer state of the art report  
/ Infotech Information Limited 
 - England:   Infotech Limited,   1971 
 - vi, 501p.  
 - Infotech state of the art report   1 .
<br/><br/><label>ISBN: </label>8553-9000-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer 
<br/><br/><label>Subjects--Index Terms: </label>Generations  
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3  / L1.1