Erkhov Aleksandr
Ph. D. (Engineering), Associate Professor, Russian State Geological Prospecting University named after Sergo Ordzhonikidze (MGRI–RGGRU) 23 Miklukho-Maklaia St., Moscow, 117997, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it., SPIN-code: 7450-1640
