Akyuz, S., et al. “Archaeometric Investigations of Terra-Cotta Sarcophages from the Excavations at Ainos (Enez) Turkey: An EDXRF Study”. Asian Journal of Chemistry, vol. 23, no. 7, Mar. 2011, pp. 3235-9, https://asianpubs.org/index.php/ajchem/article/view/10562.