1. Packer, L., R. W. Estabrook, T. P. Singer and T. Kimura: J. biol. Ch. 235, 535 (1960).
2. Kimura, T., T. P. Singer and C. J. Lusty: Biochim. biophys. Acta 44, 284 (1960).
3. Kimura, T., and T. P. Singer: Nature 184, 791 (1959).
4. Eendina, G., and T. P. Singer: J. biol. Ch. 234, 1605 (1959).
5. Williams jr., J. N.: J. biol. Ch. 206, 191 (1954).