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I. S. Khopta
JSC Kama Research Institute for Complex Deep and Supereep Borehole Investigation 15 Krasnoflotskaya Str., Perm 614016, Russia.
Russian Federation
Junior Scientist
D. D. Kozhanov
Lomonosov Moscow State University GSP-1, 1 Leninskiye Gory, Moscow 119991
Russian Federation
PhD-student
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