Lucas, Amy <br/><br/>
1987 Encyclopedia of Information Systems and Services / 
Amy Lucas and Kathleen Young Marcaccio 
 - 7th ed. 
 - Michigan  Gale Research Company  1987 
<br/><br/><label>ISBN: </label>081032492X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.5030  / LUC