On the use of space at La Peña de Estebanvela (Ayllón, Segovia, Spain): An approach to economic and social behaviour in the Upper Magdalenian - Cacho, C.; Martos, J.A.; Yravedra, J.; Ortega, P.; Martín-Lerma, I.; Avezuela, B.; Zapata, L.; Ruiz-Alonso, M.; Valdivia, J. (Quaternary International, 2016)