Computer security :  equipment personnel & data / 
edited by June- Elizabeth Thorsen 
 - Los Angeles :  Security World Publishing,  1974 
 - 59 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>091370816X 
<br/><br/><label>LCCN: </label>73-92473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers--Access control--Addresses, essays, lectures<br/>Electronic data processing departments--Security measures--Addresses, essays, lectures