00506naa#a2200181#i#450# EN\\bibl\14499 20250128172738.2 1999-8775 20140331b2014####ek#y0engy0150####ca RUS RU Role of territory in bryansk technical progress. Journal article Bryansk Bryansk State Technical University 2014 4 с. Journal article local Fedkina Natalya Zakharova Lyudmila zh-szf.ru