Radiocarbon dates of the test pit 1 of Cova de la Barriada calibrated with Oxcal 4.2 [19] and the Intcal 13 calibration curve [20].

<p>Radiocarbon dates of the test pit 1 of Cova de la Barriada calibrated with Oxcal 4.2 <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0104898#pone.0104898-BronkRamsey1" target="_blank">[19]</a> and the Intcal 13 calibration curve <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0104898#pone.0104898-Reimer1" target="_blank">[20]</a>.