{"id":"000907612","type":"book","title":"Zur Vorgeschichte der Georgskirche in Köln","publisher-place":"Ratingen bei Düsseldorf","pages":"90-104","container-title":"Kölner Untersuchungen. Kunstdenkmäler im Landesteil Nordrhein, Beih., 2","author":[{"family":"Doppelfeld","given":"Otto 1907-1979"}],"issued":{"raw":"1950"}}