{"id":"000988908","type":"book","title":"Speculations on the earliest attack of farming communities on their environment in continental Europe","publisher":"G. Fischer","publisher-place":"Stuttgart","pages":"39-40","container-title":"Evaluation of land surfaces cleared from forests by prehistoric man in early neolithic times and the time of migrating German tribes","author":[{"family":"Modderman","given":"P. J. R."}],"issued":{"raw":"1992"}}