Oliveira A. L., and Reis R. L.,  "Bone-Like Apatite Coatings Nucleated on Biodegradable Polymers as a Way to Induce Bone Mineralization: Current Developments and Future Trends",  Biodegradable Systems in Medical Functions: Design, Processing, Testing and Applications, CRC Press, Boca Raton, pp. 205-221, 2004.