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T. I. Karavaeva
Natural Sciences Institute of the Perm State University, 4 Genkelya Str., Perm 614990, Russia
Russian Federation
cand.geol.-min.sci., Scientist, Laboratory of Ecological Geology
V. P. Tikhonov
Natural Sciences Institute of the Perm State University, 4 Genkelya Str., Perm 614990, Russia
Russian Federation
cand.geol.-min.sci., Lead Scientist, Laboratory of Ecological Geology
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