selected publications academic article FELDSPARS IN THE ORE BEARING ALKALINE NATRIUM METASOMATITES OF THE PARTIZAN DEPOSIT (UKRAINIAN SHIELD) 2020 DIBROVSKOE URANIUM-TORIUM-RARE-EARTH ORE OCCURRENCE OF THE UKRAINIAN SHIELD (LITHO-STRATIGRAPHIC CRITERIА OF THE GENESIS AND LOCALIZATION OF ORE BODIES) 2019