{"id":"001267267","type":"book","title":"Grad i krepost prez Vtoroto bălgarsko carstvo. (Towns and fortresses in the Second Bulgarian Kingdom)","pages":"73-85","container-title":"Arheologija (Sofija), 46,1-4 (2005","author":[{"family":"Barakov","given":"Venelin"}],"issued":{"raw":"2005"}}