Zemnoi rubezh IUriia Kondratiuka
(
Serie Bibliotechka voenno-istoricheskogo zhurnala "Orlovskii voennyi vestnik". Spetsvypusk 2 (17)
)
Illustrations and maps
color illustrations
$25.00
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Yuri Vasilyevich Kondratyuk (real name was Alexander Ignatyevich Shargey, 1897-1942) was Soviet engineer of Swedish-Jewish origin, one of the founders of cosmonautics. At the beginning of the 20th century, he calculated the optimal trajectory of flight to the Moon.
