%0 Generic %E Reeds, James A., %E Diffie, Whitfield, %E Field, J. V., %@ 9780470465899 %@ 0470465891 %T Breaking teleprinter ciphers at Bletchley Park : an edition of I.J. Good, D. Michie and G. Timms : General report on Tunny with emphasis on statistical methods (1945) /