The Dutch invention of the Rotor machine, 1915-1923
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| 100 | 1 | |a Leeuw |D Karl de | |
| 245 | 1 | 4 | |a The Dutch invention of the Rotor machine, 1915-1923 |c Karl de Leeuw |
| 260 | |a [S.l.] |b [s.n.] |c 2003 | ||
| 300 | |a v. |b Abb., Bibl. | ||
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| 773 | 0 | |t Cryptologia |g Vol.27, 2003, Nr.1, S.73-94 | |
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| 950 | |B ALEX |P 100 |E 1- |a Leeuw |D Karl de | ||
| 950 | |B ALEX |P 773 |E 0- |t Cryptologia |g Vol.27, 2003, Nr.1, S.73-94 | ||