{"id":"001232363","type":"book","title":"A geometrical speculation. The twelfth century roof and some Peculia aspects of the ground plan of Vaernes Church, Norway","pages":"39-61","container-title":"Acta ad Archaeologiam et Artium Historiam Pertinentia, 16 (N.S.2) (2002","author":[{"family":"Nilsen","given":"Dag"}],"issued":{"raw":"2002"}}