TY CONF TI EVALUATION OF OPERATIONAL RELIABILITY OF RAIL LASHES KW railway track KW rails KW defects KW reliability JO INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "MANAGEMENT OF OPERATIONAL WORK IN TRANSPORT" (UERT-2022) AU Kosenko, S.A. AU Akimov, S.S. AU Bondar', I.S. AU Shefer, E.A. PY 2022 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"