1. Sreter, F. A., Sarkar, S., & Gergely, J., Abstr. Fifteenth Ann. Meet. Biophys. Soc., 231a (1971).
2. Sarkar, S., Sreter, F. A., & Gergely, J., Proc. US Nat. Acad. Sci., 68, 946 (1971).
3. Sreter, F. A., Gergely, J., Holtzer, S., & Holtzer, H., Fed. Proc., 30, 1310 (1971).
4. Lowey, S., & Risby, D., Nature, 234, 81 (1971).
5. Lowey, S., Margossian, S. S., & Risby, D., Abstr. Fifteenth Ann. Meet. Biophys. Soc., 230a (1971).