About the Authors

K. Epifancev

National Mineral Resources University Saint-Petersburg, Russian Federation

А. Nikulin

National Mineral Resources University Saint-Petersburg, Russian Federation

S. Kovshov

National Mineral Resources University Saint-Petersburg, Russian Federation

S. Mozer

National Mineral Resources University Saint-Petersburg, Russian Federation

I. Brigadnov

National Mineral Resources University Saint-Petersburg, Russian Federation

Corresponding Author

Email: brigadnov@mail.ru