Hsiao, David K. <br/><br/>
Computer security / 
David K. Hsiao, Douglas S. Kerr, Stuart E. Madnick 
 - New York :  Academic Press,  1979 
 - 299p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0123576504 
<br/><br/><label>LCCN: </label>79-14503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers--Access control<br/>Electronic data processing departments--Security measures