Kopobayeva, A.N., I.V. Baydauletova, A. Amangeldikyzy, N.S. Askarova, and G.G. Blyalova. “Nature of Ree Accumulation in Clayey Interlayers and Coals in Karaganda Coal Basin”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex use of mineral resources 332, no. 1 (February 23, 2024): 49–61. Accessed May 10, 2024. http://kims-imio.com/index.php/main/article/view/397.