SBF soaking test of the phosphate-silicate layers modified by calcium and hydroxylapatite / M. ROKITA, A. BROŻEK // W: X\textsuperscript{th} International Conference on Molecular Spectroscopy : from molecules to molecular materials and biological systems : Kraków–Białka Tatrzańska, 6–10 September 2009. — Kraków : Wydawnictwo Naukowe „Akapit”, cop. 2009 + CD-ROM. — ISBN: 978-83-60958-47-6. — S. 104