Gordon Welchman : Bletchley Park's architect of Ultra intelligence
- Responsibility
- Joel Greenberg ; with a foreword by Rosamond Welchman.
- Publication
- Barnsley : Frontline Books, 2014.
- Copyright notice
- ©2014
- Physical description
- xvi, 286 pages, 16 unnumbered pages of plates : illustrations ; 25 cm
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