Multiproxy study of 7500-year-old wooden sickles from the Lakeshore Village of La Marmotta, Italy oleh Niccolò Mazzucco, Mario Mineo, Daniele Arobba, Rosanna Caramiello, Laura Caruso Fermé, Bernard Gassin, Denis Guilbeau, Juan José Ibáñez, Lionello F. Morandi, Millán Mozota, Fiona Pichon, Marta Portillo, Maxime Rageot, Gerard Remolins, Mauro Rottoli, Juan F. Gibaja