1. C. W. M. Adams, in Neurohistochemistry (C. W. M. Adams, ed.), pp. 253, 332, 403, 437, and 488, Elsevier, Amsterdam (1965).
2. R. L. Friede, Topographic Brain Chemistry, Academic Press, New York (1966).
3. G. G. Glenner, in Neurohistochemistry (C. W. M. Adams, ed.), pp. 109–160, Elsevier, Amsterdam (1965).
4. K. Linderstrem-Lang, Distribution of enzymes in tissue and cells, Harvey Lectures Ser. 34: 214–245 (1939).
5. D. G. Scarpelli and N. M. Kanczak, Ultrastructural cytochemistry: principles, limitations and applications, Intern. Rev. Exptl. Pathol.
4: 55–126 (1965).