Pelayo López, Francisco Luís, e Rodolfo Gozalo Gutiérrez. «Confirming Human Antiquity: Spain and the Beginnings of Prehistoric Archaeology». Complutum, vol. 24, fasc. 2, novembre 2013, pp. 43-50, https://doi.org/10.5209/rev_CMPL.2013.v24.n2.43366.