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V. V. Seredin
Perm State University
Russian Federation
Russian Federation
Dr.geol.-min.sci., Prof., Chair of Department of geoengineiring and environment protection
O. S. Siteva
Perm State University
Russian Federation
Russian Federation
K. A. Alvanian,
Perm State University
Russian Federation
Russian Federation
A. V. Andrianov
Perm State University
Russian Federation
Russian Federation
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