G. Bekenova, V. Peregudov, V. Levin, Y. Kanatbaev, and D. Muratkhanov, “Gold and rare earth elements in enrichment products from the technogenic wastes of the Caspian Mining-Metallurgical Plant (Aktau, Kazakhstan)”, CUMR, vol. 328, no. 1, pp. 76–87, Apr. 2023.