Vassil Nikolov2026-03-222026-03-22202510.1007/978-3-031-96692-7_5https://doi.org/10.1007/978-3-031-96692-7_5https://andeanlibrary.org/handle/123456789/83359enPrehistoryArchaeologyPotteryEvaporiteBrineHuman settlementGeographyGeologySalt panSalt Production and the Urban Center of Provadia-Solnitsata, Northeastern Bulgaria (5600–4350 BCE)book-chapter