Institute of Archeology with Museum - Bulgarian Academy of Sciences (Sofia)
Diana Gergova
-Head of the investigations in the Archaeological reserve "Sboryanovo"

Historical Museum - Isperih (Bulgaria) Munisipal Isperih

Diana Gergova - president Groupe d'etudes thraces (GET) - Suisse
Agency (Bulgaria) Association Principle investigator
Thanks to - Bulgarian Academy of Sciences, "Open society" foundation, International Centre for Problems of Minorities and Cultural Relations, "Future for Bulgaria" foundation, "Beatiful Bulgaria" project, "Development of Bulgarian Science" foundation, Bibracte - Archaeological Centre (France), and others... Apel - author D. Gergova (Bulgarian language)