Э А Королев (2019). GEOCHEMICAL CONDITIONS OF EXOGENOUS MINERALS FORMATION OF THE WEATHERING ZONE IN THE UPPER JURASSIC DEPOSITIONS OF THE MIDDLE VOLGA REGION. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining, 835-840. https://doi.org/10.5593/sgem2019/1.3/s04.107