For citations:
Prokopiev S.A., Prokopiev E.S., Kadesnikov I.V., Cherimichkina N.A. Current methods of technogenic gold placer deposit mining with small size gold extraction technology. Earth sciences and subsoil use. 2020;43(4):458-466. (In Russ.) https://doi.org/10.21285/2686-9993-2020-43-4-458-466