TY JOUR TI ANALYSIS WEAR OF WHEEL PAIRS ULAANBAATAR WAGONS RAILWAY KW wheel KW wear KW ridge KW wheel pairs KW direction of travel KW radius of curves KW rotation of wheel pairs. JO Scientific Papers Collection of the Angarsk State Technical University AU Bongosuren, T.. AU Gozbenko, V.E. PY 2020 IS 2020 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»