TY JOUR TI Cryogenic landforms of the Tsengel Khairkhan uul, Mongolian Altai KW satellite data KW digital surface model KW field research methods KW geomorphological features KW cryogenic landforms KW depiction of landforms on maps KW Mongolian Altai JO Izvestia Vuzov. Geodesy and Aerophotosurveying AU Abdul'myanov, S.N. AU Mihaylov, N.N. PY 2025 IS 69 PB MIIGAiK