Cumming, Neil. <br/><br/>
Security  a guide to security system design and equipment selection and installation 
Neil Cumming. 
 - 2nd ed. 
 - Boston  Butterworth-Heinemann  c1992. 
 - xiv, 338 p.  ill.  29 cm. 
<br/><br/>Includes bibliographical references(p. 301) and index. 
<br/><br/><label>ISBN: </label>0750696249  72.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic security systems.