Drugata Bŭlgarii︠a︡ na Volga
Subtitle: izgubenata t︠s︡ivilizat︠s︡ii︠a︡
By: Georgi Vladimirov
Series: Kolekt︠s︡ii︠a︡ Bŭlgarii︠a︡ -- zagadki ot vekovete -- 5
Publisher: Izdatelstvo Svetovna biblioteka
Published: 2009
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 80
ISBN-13: 9789545740046
Subjects: Bulgars (Turkic people); Civilization