Jugo-Vostočnoe Priladož'e v period 860-950-ch godov: problemy formirovanija i razvitija osnovnych tipov pogrebal'nogo obrjada i ich vzaimodejstvie. The Southeastern Ladoga area in AD 860-950: Issues in the origin, development, and interaction of the principal types of the burial rite - Bel'skij, S. V. (Archeologičeskie Vesti, 6 (1999), 1999)