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2. Caracterização e tratamento térmico das fluorapatitas gemológicas de Sumé-Paraíba;Vieira,2017
3. Absorption spectroscopy of the annealing of absorbing defects in natural fluorapatite;Ritter,1983
4. Crystal structures of natural ternary apatites: solid solution in the Ca5(PO4)3X (X=F, OH, Cl) system;Hughes;Am. Mineral.,1990
5. Interactive software for calculating and displaying X-ray or neutron powder diffractometer patterns of crystalline materials;Downs;Am. Mineral.,1993