00601naa#a2200193#i#450# EN\\bibl\14378 20241211212925.3 1999-8775 20140930b2014####ek#y0engy0150####ca RUS RU Management tool wear and performance of technological process parameters of spark erosion machining. Journal article Bryansk Bryansk State Technical University 2014 3 с. Journal article local Syanov Sergey Fedonin Oleg Nikolaevich Fomchenkova Nadezhda naukaru.ru