Cumming Neil <br/><br/>
Security ; A guide to security system design and equipment selection and installation, 2/e 

 - 2 
 - Oxford,London  Butteworth-Heinemann An imprint of Elsevier,London  1992 
 - 338.p 
<br/><br/> MS textbook 
<br/><br/>AHQ 
<br/><br/><label>Dewey Class. No.: </label>621 38928CUM