Hamilton, Peter  1917- <br/><br/>
Computer security/ 
Peter Hamilton 
 - London:  Associated Business Programmes,  c1972 
 - 122 p.;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0852270143  £ 3.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Security systems<br/>Data protection
<br/><br/><label>Dewey Class. No.: </label>658.47