Phys. Chem. Chem. Phys., 2000, 2, 2647 - 2650, DOI: 10.1039/b001877p
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Influence of thermal treatment on the structure of calcium hydroxyapatite
Hidekazu Tanaka, Masatoshi Chikazawa, Kazuhiko Kandori and Tatsuo Ishikawa
http://www.rsc.org/Publishing/Journals/CP/article.asp?doi=b001877p