{"id":"001210445","type":"book","title":"Denmark and Byzantium from 1184 to 1212. Queen Dagmar's cross, a chrysobull of Alexius III and an 'ultramarine' connection","pages":"118-143","container-title":"Mediaeval Scandinavia, 13 (2000","author":[{"family":"Ciggaar","given":"Krijnie"}],"issued":{"raw":"2000"}}