TY JOUR TI Shallow seismic survey in the Middle Timan KW shallow seismic exploration KW linear seismic station KW seismograms KW velocity section KW seismic waves KW Middle Timan JO Vestnik of geosciences AU Udoratin, V.V. AU Magomedova, A.S. AU Ezimova, Y.E. AU Zelionko, A.V. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"