Durankulak

See:

1. West Pontic Diets: A Scientific Framework for Understanding the Durankulak and Varna I Cemeteries, Bulgaria
2. Ivan Vajsov, Die Idole aus den Gräberfeldern aus Durankulak (Idols in the Necropolis at Durankulak, Bulgaria), Durankulak, Band IIDie prähistorischen Gräberfelder 2002 - https://www.academia.edu/1454101
3. Igor Manzurain, The Proto-Bronze Age Cemetery at Durankulak:  Lolita Nikolova, John Fritz & Jude Higgins (eds.) Prehistoric Archaeology & Anthropological Theory and Education. RPRP 6-7, 2005, pp. 51-55 - http://www.iianthropology.org/files/IgorDurankulak.pdf
4. Arne Windler, Rainer Thiele, Johannes Müller, Increasing inequality in Chalcolithic Southeast Europe: the case of Durankulak, : Journal of Archaeological Science 2013, pp. 204- 210 - https://www.academia.edu/2081068/
5. Stanislav Ţerna, The Distribution of Clay Figurines in the Neolithic and Copper Age Necropolis of Durankulak (North-Eastern Bulgaria): A Case Study, Stratum Plus Journal 2,  2013, pp. 167-198
6. Douglass W. Bailey, Balkan Prehistory: Exclusion, Incorporation and Identity, Routledge 2002, pp. 197 f