Lawlor, Steven C. <br/><br/>
Computer information systems / 
Steven C. Lawlor. 
 - 3rd ed. 
 - Fortworth :  The Dryden Press,  1994. 
 - 508 p. :  col. ill. ;  26 cm. 
 - Dryden Press series in information systems .
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0030981913 
<br/><br/><label>LCCN: </label>93072826  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.<br/>Computers.