Rusʹ i Volzhskai︠a︡ Bolgarii︠a︡ v X-XV vv. /
Poluboi︠a︡rinova, M. D.(Marina Dmitrievna)
Moskva : "Nauka",
1993.
At head of title: Rossiĭskai︠a︡ akademii︠a︡ nauk. Institut arkheologii.
Includes bibliographical references.
Bulgars (Turkic people)