Evidence for flint knapping tradition in North Bulgaria at the late prehistoric times.

von Sirakova, Svoboda
Veröffentlicht in Problemy epoki kamienia na obszarze Starego Świata. Księga Jubileuszowa dedykowana Profesorowi Januszowi K. Kozłowskiemu. Problems of the Stone Age in the Old World. Jubilee Book dedicated to Professor Janusz K. Kozłowski.
Kraków : Uniwersytet Jagielloński, Instytut Archeologii, 2001.
Umfang/Format: 333-342 : Abb.

Towards the characteristics of the graphite ceramic ornamentation (from the later Copper Age in the Osum Valley, Central northern Bulgaria).

von Hristov, Martin
Veröffentlicht in Early symbolic systems for communication in Southeast Europe.
Oxford : Hedges, 2003.
Umfang/Format: 419-427 : Abb.

Trakite po gornoto tečenie na reka Osăm prez 1 hil : pr. Hr. The Thracians on the upper reaches of the river Osum during the 1st Millennium BC.

von Totevski, Totju
Veröffentlicht in Poseliščten život v Drevna Trakija. Studies on settlement life in ancient Thrace. Proceedings of the 3rd International Symposium "Cabyle", 17-21 may 1993, Jambol.
Jambol, 1994.
Umfang/Format: 94-103 : Abb. Taf.