00501naa#a2200157#i#450# EN\\bibl\23277 20231202023820.6 2542-2448 20171025b2017####ek#y0engy0150####ca RU RECONSIDERING THE THEORY OF THE ENERGY PRODUCTION CYCLES: THE CASE OF KUZBASS COAL PRODUCTION CYCLE Journal article Kemerovo Kemerovo State University 2017 4 с. Journal article local Sherin Egor A. vestnik-hss.kemsu.ru