Engebretson, David J <br/><br/>
Guide to networking for physical security systems 
by David J. Engebretson 
 - Clifton Park, NY  Security Networking Institute  c2008 
 - xxi, 275 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 267) and index 
<br/><br/><label>ISBN: </label>9781418073961 
<br/><br/><label>ISSN: </label>2007006681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic security systems<br/>Telecommunication systems
<br/><br/><label>Dewey Class. No.: </label>005.8 ENG