{"id":"001059776","type":"book","title":"Pliska in the view of Protobulgarian inscriptions and Byzantine written sources","publisher":"de Gruyter","publisher-place":"Berlin/New York","pages":"241-251","container-title":"Post-Roman towns, trade and settlement in Europe and Byzantium : 2. Byzantim, Pliska, and the Balkans","author":[{"family":"Prinzing","given":"Günter"}],"issued":{"raw":"2007"}}