Cite
MLA Citation
Dermot Turing. X, Y & Z : the real story of how enigma was broken. Stroud : The History Press, 2018. http://access.bl.uk/ark:/81055/vdc_100065000352.0x000001
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Dermot Turing. X, Y & Z : the real story of how enigma was broken. Stroud : The History Press, 2018. http://access.bl.uk/ark:/81055/vdc_100065000352.0x000001