{"id":"001206590","type":"book","title":"Grafiti i vrjazani znaci vărhu glineni sădove ot srednovekovnata krepost \"Kaleto\" v grad Sredec, Burgaska oblast","pages":"97-100","container-title":"Arheologija (Sofija), 40,1/2 (1999","author":[{"family":"Balbolova-Ivanova","given":"Marija"}],"issued":{"raw":"1999"}}