{"id":"003076802","type":"book","title":"Die U-Bahn in Sofia (Bulgarien) - Ein Schritt auf dem Weg zum Welterbe","publisher":"Schnell + Steiner","publisher-place":"Regensburg","pages":"43-52","container-title":"Mit der U-Bahn in die Vergangenheit - Erinnerungsorte im Massenverkehr","author":[{"family":"Kirova-Yovcheva","given":"Nadezhda"}],"issued":{"raw":"2019"}}