1. Pette, D., Vogell, W., and Brandau, H., Vth Internat. Congress of Electron Microscopy, Philadelphia, 1962.
2. Pette. D., in Symposium on the Regulation of Metabolic Processes in Mitochondria, Bari, 1965, Elsevier Publishing Co., Amsterdam, in the press.
3. Hofer, H. W., and Pette, D., Life Sciences, in the press.