Isaac Mayer, Frederic J. G. Cuisinier, Ina Popov, Yechezkel Schleich, Sarit Gdalya, Olaf Burghaus, Dirk Reinen,
Phase Relations Between β-Tricalcium Phosphate and Hydroxyapatite with Manganese(II): Structural and Spectroscopic Properties European Journal of Inorganic Chemistry. ,vol. 2006, pp. 1460- 1465 ,(2006) ,
10.1002/EJIC.200501009