Where next for computer security? 
a report of the National Study Group on the Security of Computer-based Systems / organised under the auspices of the National Computing Centre 
 - NCC Publications : Manchester  1974 
 - 180 p. ; 21 cm. 
<br/><br/>Bibliography: p. 177-180. 
<br/><br/><label>ISBN: </label>085012123X 
<br/><br/><label>LCCN: </label>75-309513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing departments--Security measures