TY  - BOOK
AU  - Korboński,Stefan
TI  - The true story of Enigma, the German code machine in World War II
PY  - 1977///]
CY  - [Boulder, Col.
PB  - s.n.
N1  - Tyt. nagł. Repr.: East European Quarterly. 1977 vol. 11 nr 2
ER  -