@book{401487, author = {Aubry, Thierry}, title = {Economy of lithic raw material during the Upper Paleolithic of the Côa Valley and the Sicó Massif (Portugal)}, publisher = {s.n.}, year = {2009}, address = {Lisbon}, url = {http://workshop-traceologia-lisboa2008.com/artigos/Aubry_Araujo_ECONOMY_OF_LITHIC_RAW_.pdf} }