All 7 GPTs built by Dansk Systemudvikling ApS
R.A. Ratcliff - Delutions of intelliigence - kap 6
3+
Historisk Redegørelse
3+
Human factors and missed solutions to Enigma
Human factors and missed solutions to Enigma design weaknesses
2+
Martin Gilbert - CHURCHILL AND INTELLIGENCE
Martin Gilbert - CHURCHILL AND INTELLIGENCE – GOLDEN EGGS THE SECRET WAR 1940-1945 PART III CLOSING THE RING
2+
Dr Noble Frankland - Journal-17-Dr Noble-Frankland
Dr Noble Frankland - Journal-17-Dr Noble-Frankland-on-writing-official-history
1+
Alan Turing's Report from Washington DC,
Alan Turing's Report from Washington DC, November 1942
1+
Human factors and missed solutions..
Human factors and missed solutionsto Enigma design weaknesses