00520naa#a2200181#i#450# EN\INFRA-M\bibl\3465 20250102114734.4 2309-3633 20140917b2014####ek#y0engy0150####ca RUS RU Information System for Underground Coal Mining Output Prediction Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Linnik Yuriy Linnik Vladimir naukaru.ru