Sources:
- Małgorzata Grębska-Kulow, Petar Zidarov, Early Neolithic settlement Ilindentsi in the Middle Struma valley, south–western Bulgaria: spatial organization and pottery, Bulgarian e-Journal of Archaeology, 2020, file:///C:/Users/user/AppData/Local/Temp/Early_Neolithic_settlement_Ilindentsi_in.pdf