{"id":"001197175","type":"book","title":"Import van noordelijke vuursteen: enkele voorlopige conclusies met betrekking tot sikkels in Noordwest-Europa","pages":"141-153","container-title":"Palaeohistoria, 33/34 (1991/92","author":[{"family":"Beuker","given":"J. R."}],"issued":{"raw":"1991"}}