{"id":"000537454","type":"article","title":"Tholoi on Cape Kaliakra and on Cape Čirakman near the town of Kavarna. (Bulg.m.engl.Res.) -","pages":"116-121","container-title":"Acta, 4.1990","author":[{"family":"Kitov","given":"G."}],"issued":{"raw":"1990"}}