Tomi Koivunen (University of Turku, Turku / Udmurt State University, Izhevsk), Riku Erkkilä (University of Helsinki, Helsinki): The interaction between spatial cases and relational nouns in the Uralic languages of the Volga-Kama area. Talk at the “Cases in Uralic, Altaic and Paleo-Asiatic languages” conference (Institute for Linguistic Studies, St. Petersburg / Online, 21–23 October 2021).