{"id":"000865069","type":"article","title":"El Gravetiense de la cueva de Alkersi (Urdax, Navarra)","publisher":"Sociedad de Ciencias Aranzadi","publisher-place":"San Sebastián - Donostia","pages":"51-80","container-title":"Munibe, 60.2009","author":[{"family":"Cava","given":"Ana"}],"issued":{"raw":"2009"}}