1. Bassett, C. A. L., Donath, A., Macagno, F., Preising, R., Fleisch, H., Francis, M. D.: Diphosphonates in the treatment of myositis ossificans. Lancet1969 II, 845.
2. Bisaz, S., Russell, R. G. G., Fleisch, H.: Isolation of inorganic pyrophosphate from bovine and human teeth. Arch. oral Biol.13, 683–696 (1968).
3. Bliznakov, G.: Sur le mécanisme de l’action des additifs adsorbants dans la croissance cristalline. In: Adsorption et croissance cristalline, p. 291–301. Paris: Editions du Centre National de la Recherche Scientifique 1965.
4. Burton, F. G., Neuman, M. W., Neuman, W. F.: On the possible role of crystals in the origin of life. I. The adsorption of nucleosides, nucleotides and pyrophosphate by apatite crystals. Curr. mod. Biol.3, 20–26 (1969).
5. Chen, P. S., Toribara, T. Y., Warner, H.: Microdetermination of phosphorus. Analyt. Chem.28, 1756–1758 (1956).