Theory And Problem Of Data Processing 
Martin M. Lipschutz 
 - Singapore  Schaum's Outline Series MacGraw-hill Book Company  1989 
 - 218 
<br/><br/><label>ISBN: </label>7099032  5.95 Dollar 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>5.72  / LIP