{"id":"001220296","type":"book","title":"Srednovekovnata krepost \"Rjahovec\" pri Gorna Orjahovica. The medieval fortress of \"Rahovets\" near the town of Gorna Oryahovitsa","pages":"7-40","container-title":"Izvestija na Regionalen Istoričeski Muzej Veliko Tărnovo, 7 (1992","author":[{"family":"Aleksiev","given":"Jordan"}],"issued":{"raw":"1992"}}