Г. Р. Абилова (2018). FEATURES OF THE COMPOSITION AND PROPERTIES OF HEAVY OIL ASPHALTENES OF VARIOUS PRODUCTIVE COMPLEXES OF THE DEPOSITS FROM VOLGA-URAL OIL AND GAS BASIN. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining, 99-106. https://doi.org/10.5593/sgem2018/1.1/s01.013