Politicheskie faktory i ekonomicheskie predposylki aktualizatsii kulatskogo voprosa na Severnom Kavkaze v kontse 20-kh gg. XX v. - Dzumakulov, Ashat Mustafaevic; Bejbulatov, Abdulatip Samsudinovic (History, Archeology and Ethnography of the Caucasus, 2006)