{"id":"003011558","type":"book","title":"The River System of North-Eastern Thrace as a Medium in Economic Relations in Classical and Hellenistic Times","publisher":"De Gruyter","publisher-place":"Berlin ; Boston","pages":"77-90","container-title":"Environment and habitation around the ancient black sea","author":[{"family":"Stojanov","given":"Totko"}],"issued":{"raw":"2021"}}