Yost, Graham. <br/><br/>
Spy tech / 
Graham Yost. 
 - New York :  Facts on File,  1985. 
 - 281 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>081601115X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Military intelligence--Equipment and supplies.<br/>Espionage--Equipment and supplies.