{"id":"000088591","type":"book","title":"The stylistically paleolithic petroglyphs of the CôaValley (portugal) are of Paleolithic Age : a refutation of their \"direct dating\" to recent times","pages":"423-469","container-title":"I Congresso de Arqueologia Peninsular, vol.8 (Porto, 12-18 outubro 1993) : Actas","author":[{"family":"Zilhão","given":"João."}]}