For citations:

Shadrin A.N., Ivanova R.M. The Shirokoe Place as a reference section of the upper Visean substage in the Upper Pechora basin (Unya river, Northern Urals). LITHOSPHERE (Russia). 2021;21(2):207-221. (In Russ.) https://doi.org/10.24930/1681-9004-2021-21-2-207-221