For citations:

Sholokhnev V.V. Opening archives. History of the discovery of the rich Nittis-Kumuzhya-Travyanaya copper-nickel ore deposit (Monchegorsk ore field, the Kola Peninsula) by V. K. Kotul'skiy To the 140th anniversary of V. K. Kotul'skiy. Regional Geology and Metallogeny. 2019;(79):98–111. (In Russ.)