1. Laboratory for Luminescence Dating; Department of Geoscience; Aarhus University; Risø DTU; DK-4000; Roskilde; Denmark
2. Department of Earth Sciences; IMAR-Marine and Environmental Research Centre; University of Coimbra; Largo Marquês de Pombal; 3000-272; Coimbra; Portugal
3. Department of Geodynamics and Geophysics; University of Barcelona; Zona Universitaria de Pedralbes; 08028; Barcelona; Spain