Core-reduction strategies in chert procurement areas during MSA in Eastern Morocco: Sahb el Ghar 1 & 2.1 open air sites - M. Farkouch J. I. Morales H. Aouraghe M. Soto A. Canals D. Lombao H. Hoddoumi A. Benito Calvo M. Souhir M. Brartolí L. Arnold M. Demuro A. Oujaa S. Tomasso R. Sala Ramos M. G. Chacón (Rock And Roll: 13th International Symposium On Knappable Materials, 2021)