00747naa#a2200193#i#450# EN\\bibl\3921 20241219115248.4 20200413b2020####ek#y0engy0150####ca RU INFLUENCE OF MATRIX GRAIN PARAMETERS ON THE IMPACT STRENGTH OF 20GL STEEL CAR CASTINGS Conference article/thesis Bryansk Bryansk State Technical University 2020 5 с. Conference article/thesis local Инженерное дело. Техника в целом. Транспорт. 62 Металловедение. 53.49 grnti Bogdanov Roman Aleksandrovich Davydov Sergey Vasil'evich Panov Aleksey Gennad'evich bstu.editorum.ru