New chronological data (ESR and ESR/U-series) for the earliest Acheulean sites of Northwestern Europe - Voinchet, Pierre; Bahain, Jean-Jacques; Moreno García, Davinia; Falguères, Christophe; Tissoux, Hélène; Schreve, Danielle C.; Candy, Ian; Antoine, Pierre-Olivier; Ashton, Nick; Beamish, Matthew; Cliquet, Dominique; Despriée, Jackie; et al. (2014)