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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
(Left) human bone in the sample holder; middle: location in the skeleton of the bones studied; and (Right) vibrational spectra of samples coming from this same skeleton (Leopoli-Cencelle, Italy), over a wide range of firing temperatures (400 °C to 800 °C) [57,82].