18:0518:05, 30 December 2018diffhist−1
Marian Rejewski
→Early life: The book's author is "Colonel M. Givierge". See the cover page in : https://www.leslibraires.fr/livre/10643725-cours-de-cryptographie-givierge-m-colonel--berger-levrault
18:0518:05, 30 December 2018diffhist−1
Marian Rejewski
→Early life: The book's author is "Colonel M. Givierge". See the cover page in : https://www.leslibraires.fr/livre/10643725-cours-de-cryptographie-givierge-m-colonel--berger-levrault