{"id":"001320071","type":"article","title":"The Ancient Stone Anchors from the Bulgarian Black Sea Coast","publisher":"Hellenic Institute for the Preservation of Nautical Tradition","publisher-place":"[Athens","pages":"329-336","container-title":"5th International Symposium on Ship Construction in Antiquity","author":[{"family":"Porozanov","given":"Kalin"}],"issued":{"raw":"1999"}}