{"id":"000806132","type":"article","title":"Traces of early copper production at the Chalcolithic fortification of Vila Nova de São Pedro (Azambuja, Portugal)","publisher":"Reichert","publisher-place":"Wiesbaden","pages":"94-114","container-title":"Madrider Mitteilungen, 49 (2008), 0418-9744","author":[{"family":"Müller","given":"Roland."}],"issued":{"raw":"2008"}}