L. Ivanchina, V. Kovalev, D. Makurin, E. Poplyakov, O. Solontsov, and N. Korotaeva, “THE INFLUENCE OF THE TYPE OF FOREST AND THE TYPE OF FOREST GROWING CONDITIONS ON THE STABILITY OF SPRUCE STANDS IN THE ZONE OF CONIFEROUS-DECIDUOUS FORESTS OF THE PERM KRAI”, SJLSA, vol. 15, no. 4, pp. 92-111, Aug. 2023.