1. E. I. Shamrai, A. V. Taskin, S. I. Ivannikov, and A. A. Yudakov, “Investigation of the possibilities of complex recycling of wastes of the power-generating industry of the Primorskiy Krai,” Sovrem. Naukoemk. Tekhnol., No. 3, No. 3, 68–75 (2017).
2. M. P. Kurtis and Y. E. Yudovich, “Estimations of clarkes for carbonaceous biolithes: world averages for trace element contents in black shales and coals,” Int. J. Coal Geol., 78, 135–148 (2009).
3. A. C. Chang, L. J. Lund, A. L. Page, and J. E. Warneke, “Physical properties of fly ash-amended soils,” J. Environ. Qual., 6, 267–270 (1977).
4. C. Belviso, “State-of-the-art applications of fly ash from coal and biomass: a focus on zeolite synthesis processes and issues,” Prog. Energy Combust. Sci., 65, 109–135 (2018).
5. D. A. Tolle, M. F. Arthur, and S. E. Pomeroy, Fly Ash Use for Agriculture and Land Reclamation: A Critical Literature Review and Identification of Additional Research Needs, RP–1224–5, Battelle Columbus Laboratories, Columbus, Ohio (1982).