TY CONF TI SOURCES AND GENESIS OF BURIED ORGANIC MATTER IN HOLOCENE SECTIONS OF SMALL LAKE SAPROPELS (SOUTHERN WEST SIBERIA AND EASTERN BAIKAL AREA) KW lake sapropel KW genesis of organic matter KW bioproducers KW hydrocarbon biomarkers KW biostratification KW authohtonous source of organic matter JO Scientific research of the SCO countries: synergy and integration AU Leonova, G.A. AU Maltsev, A.E. AU Kopoteva, T.A. PY 2024 PB AUS PUBLISHERS