00557naa#a2200169#i#450# EN\\bibl\9773 20250121005544.2 2308-8877 20151203b2015####ek#y0engy0150####ca RUS RU Theoretical aspects of creation of the winter mine Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 4 с. Journal article local Rzhavtsev A. anni.editorum.ru