• Covalent modification of calcium hydroxyapatite surface by grafting phenyl phosphonate moitiesAissa, Abdallah; Debbabi, Mongi; Gruselle, Michel; Thouvenot, Rene; Gredin, Patrick; Traksmaa, Rainer; Tõnsuaadu, KaiaJournal of solid state chemistry2007 / 8, p. 2273-2278 https://www.sciencedirect.com/science/article/pii/S0022459607002034