See:
- Jorge Martínez-Moreno, Rafael Mora Torcal, Ana Polo Díaz, Miquel Roy Sunyer, Alfonso Benito Calvo, Sofía Samper Carro, Contextual, technological and chronometric data from Cova Gran: Their contribution to discussion of the Middle-to-Upper Paleolithic transition in northeastern Iberia, Quaternary International XXX, 2016, http://dx.doi.org/10.1016/ j.quaint.2016.05.017