{"id":"001494528","type":"article","title":"Boundless rock arts - symbols contexts and times in prehistoric imagery of Fennoscandia","publisher":"Archaeopress Publishing Ltd","publisher-place":"Oxford","pages":"79-97","container-title":"Ritual landscapes and borders within rock art research: papers in honour of Professor Kalle Sognnes","author":[{"family":"Bertilsson","given":"Ulf"}],"issued":{"raw":"2015"}}