Seizing the enigma : the race to break the German U-boat codes, 1939-1943
Focuses on the personalities involved in British efforts to break the German U-boat codes. "A Thomas Congdon book"--Title page verso. xii, 336 pages, 16 unnumbered pages of plates : illustrations, maps ; 24 cm
Organisatie
NIOD Instituut voor Oorlogs-, Holocaust- en Genocidestudies