Ėtničeskie processy v meždureč'e Suly i Vorskly v 1-4 vv. n.ė. Ethnic processes in the region between the Sula and Vorskla rivers in the 1st-5th centuries A.D - Oblomskij, Andrej Michajlovič (Rossijskaja Archeologija, 1994,2 (1994), 1994)