• Influence of gelation temperature on the properties of sol-gel-derived calcium hydroxyapatite ceramicsBogdanoviciene, Irma; Tõnsuaadu, Kaia; Kareiva, AivarasPolish journal of chemistry2009 / p. 47-55 : ill https://www.researchgate.net/publication/287549393_Influence_of_Gelation_Temperature_on_the_Properties_of_Sol-Gel-Derived_Calcium_Hydroxyapatite_Ceramics