Mercier, Norbert (2012). „OSL dating of quaternary deposits associated with the parietal art of the Tassili-n-Ajjer plateau (Central Sahara)”. Quaternary Geochronology. 10: 367—373. ISSN1871-1014. doi:10.1016/j.quageo.2011.11.010.
Mercier, Norbert (2012). „OSL dating of quaternary deposits associated with the parietal art of the Tassili-n-Ajjer plateau (Central Sahara)”. Quaternary Geochronology. 10: 367—373. ISSN1871-1014. doi:10.1016/j.quageo.2011.11.010.