TY JOUR TI Specificities of Work of Railway Permanent Way in Conditions of Continuous Winter Period KW Arctic zone KW permanent way KW track maintenance system in a harsh climate KW track maintenance costs JO Proceedings of Petersburg Transport University AU Bel'tyukov, V.P. AU Andreev, A.V. PY 2022 IS 19 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"