{"id":"001221560","type":"book","title":"A late antique pattern of fortification in the Eastern Stara Planina Mountain (the Pass of Djulino)","publisher":"NOUS","pages":"33-43","container-title":"Archaeologia Bulgarica, 5,3 (2001","author":[{"family":"Prešlenov","given":"Hristo"}],"issued":{"raw":"2001"}}