Busch, S., Dolhaine, H., DuChesne, A., Heinz, S., Hochrein, O., Laeri, F., et al. (1999). Biomimetic Morphogenesis of Fluorapatite-Gelantin-Composites: Fractal Growth, the Question of Intrinsic Electric Fields, Core/Shell-Assemblies, Hollow Spheres and Reorganization of Denatured Collagen. European Journal of Inorganic Chemistry, (10), 1643-1653. doi:10.1002/(SICI)1099-0682(199910)1999:10<1643:AID-EJIC1643>3.0.CO;2-J.