Kovalchuk Наталья Сергеевна, and Shumilova Татьяна Григорьевна. “Ore-Bearing Potential of Black Shales from the Yayusky Magmatic Complex Framing, Polar Urals”. Problems of mineralogy, petrography and metallogeny. Scientific readings in memory of P.N. Chirvinsky, no. 25 (April 12, 2022): 123–127. Accessed May 18, 2024. http://press.psu.ru/index.php/miner/article/view/4966.