Walter, R. Kenneth <br/><br/>
Introduction to data management and file design 

 - A reston book prientice hall, New Jersey  1986 
 - xvi, 448p 
<br/><br/><label>ISBN: </label>0-8359-3245-1 
<br/><br/><label>Dewey Class. No.: </label>001.6442 Wal