(1)
Ruseska, G.; Fidančevska, E.; Bossert, J.; Vassilev, V. Fabrication of Composites Based on Ca<sub>10</sub>(PO<sub>4</sub>)<sub>6</sub>(OH)<sub>2</sub> and SiO<sub>2</Sub>. Maced. J. Chem. Chem. Eng. 2006, 25, 139-144.