TY JOUR TI Laboratory Studies of Elastic Materials for Sleeper Base of Tram Tracks KW Noise KW tram KW vibrations KW natural environment KW urban area KW electric transport KW carriage structure vibrations KW rail vibration isolation JO Bulletin of scientific research results AU Petryaev, A.V. AU Saydaliev, A.A. PY 2023 IS 2023 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"