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Message * Articles On Soviet Geologists, including Alexander Karpinsky, Farman Salmanov, Andrey Arkhangelsky, Valeri Barsukov, Mikhail Tetyaev, Nikolai Kudryavtsev, Vladimir Obruchev, Vladimir Porfiriev, Pyotr Nikolaevich Kropotkin, Georgi E. Boyko - 1242651993 - 9781242651991