24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauí, Brazil: Techno-functional analysis. oleh Eric Boëda, Marcos Ramos, Antonio Pérez, Christine Hatté, Christelle Lahaye, Mario Pino, David Hérisson, Ignacio Clemente-Conte, Michel Fontugne, Guillaume Guérin, Ximena Villagran, Janaina C Santos, Lucas Costa, Lucie Germond, Nelson Eric Ahmed-Delacroix, Amelie Da Costa, Carolina Borges, Sirley Hoeltz, Gisele Felice, María Gluchy, Grégoire van Havre, Christophe Griggo, Livia Lucas, Iderlan de Souza, Sibeli Viana, André Strauss, Jennifer Kerner, Niède Guidon