Gordon Welchman books & textbook
The Hut Six Story: Breaking the Enigma Codes
Classic Crypto Books /1997-10-19 Paperback / 263 Pages
isbn-10: 0947712348 / isbn-13: 9780947712341
Introduction to Algebraic Geometry
Cambridge University Press /2016-07-07 Paperback / 362 Pages
isbn-10: 1316601803 / isbn-13: 9781316601808
