00501naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200012100094210004600215215001000261608002700271700002000298856002500318EN\\bibl\2327720240723045354.2##a2542-2448##a20171025b2017####ek#y0engy0150####ca##aRU1#aRECONSIDERING THE THEORY OF THE ENERGY PRODUCTION CYCLES: THE CASE OF KUZBASS COAL PRODUCTION CYCLEeJournal article1#aKemerovocKemerovo State Universityd2017##a4 с.##aJournal article2local#1aSheringEgor A.4#avestnik-hss.kemsu.ru