understanding surveillance technologies :  spy devices, their origins & applications. 

 - london:   crc press,   2001.  
 - hardcover  
<br/><br/> 26x18 
<br/><br/><label>ISBN: </label>0 8493 2298 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SPYING<br/>surveillance<br/>Technology