{"id":"001304131","type":"book","title":"Voortgezet onderzoek op de mesolithische vindplaats NP-3 (Groninger Veenkoloniën)","pages":"22-25","container-title":"Paleo-Aktueel, 4 (1993","author":[{"family":"Exaltus","given":"R. P."}],"issued":{"raw":"1993"}}