{"id":"000716313","type":"book","title":"The ecclesiastical controversy between the kingdom of Nicaea and the principality of Epiros (1217 - 1233)","publisher":"Κέντρον Βυζαντινών Ερευνών","publisher-place":"","author":[{"family":"Karpozilos","given":"Apostolos D."}],"issued":{"raw":"1973"}}