Security and privacy in computer systems / 
Lance J. Hoffman. 
 - Los Angeles, CA. :  Melville Publishing,  1973. 
 - ix, 422 p. :  ill. 
<br/><br/><label>ISBN: </label>0471406112 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing departments--Security measures.<br/>Privacy, Right of.