Codebreaking with the Colossus computer / by Frank Carter.

Type	Book
By	Carter, Frank (Frank L.), author.
Languages	English
Edition	Second edition.
Publisher	Bletchley : Bletchley Park Trust, 1998.
Physical Description	23 pages : illustrations ; 21 cm.
Subjects	Cryptography. \| World War, 1939-1945.
Holdings	lhmtat Main lair shelves 1