How to encrypt and secure information - very heavy mathematical models.

Die Lagerkommandantin verkündet das Todesurteil. Da schneidet sich die Gefangene Mala Zimetbaum mit einer Rasierklinge in die Pulsadern. Ein SS-Mann packt sie am Arm. Mala reißt sich frei, schlägt ihm ins Gesicht und ruft: »Mörder, bald werdet ihr bezahlen müssen.« Und zu den Tausenden jüdischen Frauen, die im Lager Auschwitz-Birkenau gezwungen sind, Malas Ermordung mitanzusehen: »Habt keine...

Air War over the Baltic - anti-shipping operations.

The author of this book, twice Hero of the Soviet Union Kirill Alekseevich Evstigneev, made 296 combat sorties during the Great Patriotic War, achieving 53 victories personally and another 3 in a group (this is the fifth best result in Soviet aviation; only Kozhedub, Pokryshkin, Gulaev, and Rechkalov shot down more enemy aircraft).

They are a systematic presentation of the facts of the age-old confrontation between two borderline positions: the will on the part of our ancestors and modern Ukrainians, and slavery, which Russia has been the bearer of for more than one century in a row. The authors of the articles are significant people for modern Ukraine: doctor of legal sciences, professor Natalya Krestovska; writer,...

This book includes memories of Odessa during the occupation, extracted from the Bakhmetev archive of Columbia University (New York) and emigre publications.

The author describes not only the air battles of the Second World War, but also investgates the development of strategy and tactics in the air war for fighters, bombers and close air support.

In 1944, Soviet military intelligence operated in new conditions: the Red Army was on the offensive, the situation was changing rapidly, and the Soviet General Staff needed more and more information about the enemy. Soviet military intelligence officers were assisted in gathering information about Nazi Germany by military intelligence officers from Czechoslovakia, Denmark, France, Norway, the...

Hiroshima is the story of six human beings who lived through the greatest single manmade disaster in history. John Hersey tells what these six -- a clerk, a widowed seamstress, a physician, a Methodist minister, a young surgeon, and a German Catholic priest -- were doing at 8:15 a.m. on August 6, 1945, when Hiroshima was destroyed by the first atomic bomb ever dropped on a city. Then he follows...