X, Y & Z: the real story of how Enigma was broken: by Dermot Turing, London, The History Press, 2018, 320 pp., £20 (hardback), ISBN 978-0-75098-782-0, £8.99 (eBook), ISBN 978-0-75098-967-1
In: Intelligence and national security, Band 35, Heft 7, S. 1069-1070
ISSN: 1743-9019