1. Albert, A., C. W. Rees and A. J. H. Tomllxsox: The influence of chemical constitution on antibacterial activity. Part Viii. 2-mercaptopyridine-N-oxide and some general observations on metal binding agents. Brit. J. exp. Path. 37, 500 (1956).
2. Allfrey, V. G.: Observations on the mechanism and control of protein synthesis in the cell nucleus. 5. Internat. Kongr. für Biochemie, Moskau 1961. Symposium II, Preprint 140, 1 (1961).
3. Amarasingham, C., and H. E. Umbarger: The effect of glucose on oxalacetic carboxylase in two strains of Escherichia coli. Bact. Proc. 55, 115 (1955).
4. Amoore, J. E.: The permeability of isolated rat-liver mitochondria at 0° to the metabolites pyruvate, succinate, citrate, phosphate, adenosine-5-phosphate and adenosine triphosphate. Biochem. J. 70, 718 (1958).
5. Ashida, J., and M. Imai: Origin of copper resistant cells. Studies on the adaptation of yeast to copper. XV. Bot. Mag. (Tokyo) 69, 560 (1956).