1. A. I. Bykorez and B. L. Rubenchik, Dopov. Akad. Nauk Ukrains'k. RSR, No. 2, 257 (1964).
2. S. A. Neifakh et al., Biochim. Biophys. Acta,100, 329 (1965).
3. A. V. Palladin and O. V. Kirsenko, Biokhimiya, No. 2, 385 (1961).
4. B. L. Rubenchik, Ukr. Biokhim. Zh., No. 3, 352 (1963).
5. B. L. Rubenchik, Vopr. Onkol., No. 3, 63 (1965).