{"id":"000810191","type":"article","title":"Aproximación al estudio de las cadenas operativas del grabado sobre soporte pétreo","publisher":"Universidad de Salamanca.","publisher-place":"Salamanca","pages":"99-113","container-title":"Zephyrus : Revista de Prehistoria y Arqueología, 60 (2007","author":[{"family":"Rivero Vilá","given":"Olivia."}],"issued":{"raw":"2007"}}