1. Z. D. Pigareva, Biochemistry of the Developing Brain [in Russian], Moscow (1972).
2. I. M. Buikis, Histochemistry of Dehydrogenases of the Developing Spinal Cord [in Russian], Riga (1975).
3. S. Ducket and A. G. E. Pearse, Histochemie,8, 334?341 (1967).
4. S. Ducket and A. G. E. Pearse, Folia Histochem. Cytochem.,6, 447?450 (1968).
5. S. Ducket and A. G. E. Pearse, in: Fifth International Congress of Neuropathology. Amsterdam (1966), pp. 738?739.