{"id":"000860695","type":"article","title":"Portuguese rock art in a protohistoric context","publisher":"CEIPHAR","publisher-place":"Tomar","pages":"111-130","container-title":"Arkeos, 24.2008: Arte rupestre do Vale do Tejo e outros estudos de arte pré-historica","author":[{"family":"Coimbra","given":"Fernando Augusto."}],"issued":{"raw":"2008"}}