FREEDMAN Maurice <br/><br/>
Unravelling enigma :  winning the code war at Station X / 
Maurice Freedman. 
 - Barnsley UK :  Pen & Sword,  2001. 
 - vii, 190 p. :  ill. 
<br/><br/><label>ISBN: </label>080528100 (pbk) :  46.00 SGD 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SECOND WORLD WAR--SIGNALS INTELLIGENCE<br/>BLETCHLEY PARK<br/>ENIGMA PROJECT<br/>CODE BREAKING