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E. S. Zryachikh
Perm State University,15 Bukirevа Str., Perm 614000, Russia
Russian Federation
M. S. Sergeev
Branch of OOO LUKOIL-Engineering PermNIPIneft, Perm 614000, Russia
Russian Federation
A. A. Chugaeva
Branch of OOO LUKOIL-Engineering PermNIPIneft, Perm 614000, Russia
Russian Federation
A. M. Laponogov
Branch of OOO LUKOIL-Engineering PermNIPIneft, Perm 614000, Russia
Russian Federation
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