Evidence of neanderthal-made quartz-based technology at Navalmaíllo Rockshelter (Pinilla del Valle, Madrid Region, Spain) - Márquez, Belén; Mosquera Martínez, Marina; Pérez-González, Alfredo; Arsuaga, Juan Luis; Baquedano, Enrique; Panera Gallego, Joaquín; Espinosa-Soto, Juan Antonio; Gómez Hernanz, Juan (2013)