TY JOUR TI VALUE CHARACTERISTICS OF THE HISTORICAL SPATIAL PLANNING STRUCTURE OF MURMANSK (1920s – THE END OF 1950s) KW development stages KW specifics of structure KW structural components KW heritage preservation JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Igolkin, N.V. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov