TY JOUR TI DESIGN FOUNDATION OF A COVERED FREIGHT CAR WITH AN INCREASED LOADING SPACE KW car KW loading operations KW floor KW walls KW roof KW strength KW load-bearing structures JO Transport engineering AU Antipin, D.Y. AU Ashurkova, S.N. AU Bondarenko, D.A. AU Manueva, M.V. PY 2024 IS 2024 PB Bryansk State Technical University