{"id":"001255666","type":"book","title":"Demir-Kapu (ukreplenie A.XIX) v sisteme oboronitel'nych sooruženij Mangupa. Demir-Kapu (fortification A. XIX) in the system of defensive constructions of Mangup","pages":"314-345","container-title":"Materialy po Archeologii, Istorii i Etnografii Tavrii, 11 (2005","author":[{"family":"Gercen","given":"A. G."}],"issued":{"raw":"2005"}}