Gruber, 1944-  <br/><br/>
Physical and technical security : an introduction  
/ Robert Gruber. 
 - New York  Thomson Delmar Learning  2006. 
 - xix, 412p.  ill.  24cm 
<br/><br/><label>ISBN: </label>1401850669  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Private security services<br/>Security systems
<br/><br/><label>Dewey Class. No.: </label>621.3892 GRU 2006