The Early Mesolithic cultures with trapezes in the Volga and Dniepr basins: the problems of origin and fate - Galimova, Madina Šakirovna (Landscape-use during the final-palaeolithic and mesolithic in NW-Europe. The formation of extensive sites and site-complexes. Actes du 14ème Congrès UISPP, Université de Liège, Belgique, 2-8 septembre 2001. Section 7. Le mésolithique. C 7.1., 2004)