Encyclopedia of information systems and services 1989 

 - 9th ed. 
 - Detroit:   Gale Research Inc,  1989 
 - 976p. 
<br/><br/>Vol.1 (United States listings); Isbn: 0-8103-2599-3<br/>Vol.2 (International listing); Isbn: 0-8103-2599-5;1476p.<br/>Vol.3 (Indexes);2330p. 
<br/><br/><label>ISBN: </label>0-8103-2646-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia
<br/><br/><label>Subjects--Index Terms: </label>Information  Information storage  
<br/><br/><label>Universal Decimal Class. No.: </label>D 002.61(031)  / M9.3