For citations:

Braynchaninova N.I., Makeyev A.B., Makavetskas A.R. «Platinum» from the collection of A.F. Keller in the State geological museum RAS. Proceedings of higher educational establishments. Geology and Exploration. 2017;(3):70-77. (In Russ.) https://doi.org/10.32454/0016-7762-2017-3-70-77