V. P. Lutoev
Institute of Geology, Komi Science Centre
N. P. Yushkin
Russian Academy of Sciences
V. P. Suetin
Russian Academy of Sciences
S. B. Orlinskiĭ
Kazan Federal University
В. И. Силаев
Institute of Geology, Komi Science Centre
М. Yu. Sokerin
Institute of Geology, Komi Science Centre
Е. А. Голубев
D. Mendeleyev University of Chemical Technology of Russia
G. A. Yurgenson
Institute of Natural Resources, Ecology and Cryology
A. B. Mironov
Institute of Mineralogy
М. Х. Салахов
Kazan Federal University
Russian Academy of Sciences
Institute of Geology, Komi Science Centre
Kazan Federal University
Ural Branch of the Russian Academy of Sciences
Institute of Chemistry, Komi Science Center
Institute of Biology of Komi Scientific Centre
Institute of Physics
Czech Academy of Sciences, Institute of Geology
Syktyvkar State University
Zavaritsky Institute of Geology and Geochemistry