{"id":"001225465","type":"book","title":"Er forvitring en alvorlig trussel for helleristningene i Stavangerområdet?","pages":"27-30","container-title":"Frá Haug ok Heiđni, 2002,1 (2002","author":[{"family":"Walderhaug","given":"Olav."}],"issued":{"raw":"2002"}}