1. Aaron, J. E., Pautard, F. G. E.: Ultrastructural features of phosphate in developing bone cells. Israel. J. med. Sci.8, 625–629 (1972).
2. Augier, M.: Squelette cépalique. In: Traité d'anatomie humaine, vol. I (P. Poirier, A. Charpy, eds.), p. 89. Paris: Masson & Cie 1931.
3. Barnicot, N. A.: The supravital staining of osteoclasts with neutral red. Proc. roy. Soc.134, 467–485 (1947).
4. Bast, T. H.: Studies on the structure and multiplication of bone cells facilitated by a new technique. Amer. J. Anat.29, 139–157 (1921).
5. Baud, C. A.: Submicroscopic structure and functional aspects of the osteocyte. Clin. Orthop.56, 227–236 (1968).