The Cambridge history of Iran, Volume 2 by William Bayne Fisher, Ilya Gershevitch, Ehsan Yar-Shater, Peter Avery, pages 256-257Arxivləşdirilib 2021-11-28 at the Wayback Machine
Archaeology at the north-east Anatolian frontier, I.: an historical geography and a field survey of the Bayburt Province by A. G. Sagona, Claudia Sagona, pages 41-48Arxivləşdirilib 2022-04-20 at the Wayback Machine
The Cambridge history of Iran, Volume 2 by William Bayne Fisher, Ilya Gershevitch, Ehsan Yar-Shater, Peter Avery, pages 256-257Arxivləşdirilib 2021-11-28 at the Wayback Machine
Archaeology at the north-east Anatolian frontier, I.: an historical geography and a field survey of the Bayburt Province by A. G. Sagona, Claudia Sagona, pages 41-48Arxivləşdirilib 2022-04-20 at the Wayback Machine