{"id":"001542176","type":"article","title":"Thoughts on the Typology of Stone Age Boat Petroglyphs","publisher":"Oxbow Books","publisher-place":"Oxford","pages":"160-168","container-title":"Boats, ships, and shipyards 2003","author":[{"family":"Springmann","given":"Maik-Jens."}],"issued":{"raw":"2016"}}