{"id":"001275159","type":"book","title":"Environmental change, bog history and human impact around 2900 B.C. in NW Germany, preliminary restults from a dendcroecological study of a sub-fossil pine woodland at Campemoor, Dümmer Basin","pages":"183-195","container-title":"Vegetation History and Archaeobotany, 16,2/3 (2006","author":[{"family":"Leuschner","given":"Hanns Hubert"}],"issued":{"raw":"2006"}}