Lotz, Wolfgang <br/><br/>
A handbook for spies / 
Wolfgang Lotz 
 - New York :  Harper & Row, Publishers,  1980       
 - ix, 146 p. 
<br/><br/><label>ISBN: </label>0060127074 
<br/><br/><label>LC Class. No.: </label>UB 270 L885h 1980