Hughes Denis <br/><br/>
Security survey 
Hughes Denis; Bowler Peter 
 - England  Gower         1982 
 - vii,145p  cm. 
<br/><br/><label>Standard No.: </label>29626 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:94, M2