00513naa#a2200181#i#450# EN\\bibl\14499 20240503133903.5 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 bstu.editorum.ru