“Synthesis and Vibrational Study of Phosphate-Sulfate Fluorapatites Ca10-xNax(PO4)6-x(SO4)xF2 (0≤ X ≤6)”. JOURNAL OF ADVANCES IN CHEMISTRY 12, no. 17 (September 1, 2016): 4975–4980. Accessed May 3, 2024. https://rajpub.com/index.php/jac/article/view/1418.