For citations:
Kamandzhaev N.A. The Council for Mutual Economic Assistance and geological study of Mongolia. Report of the expert group of the CMEA (COMECON) member countries dated September 9, 1963. History and Archives. 2023;5(4):36-49. (In Russ.) https://doi.org/10.28995/2658-6541-2023-5-4-36-49