1. Allison, A. C.: Lysosomes. In: The biological basis of medicine, vol. 1, chap. 6 (ed. E. E. Bittar) New York: Academic Press 1968.
2. Barrnett, R. J.: The histochemical distribution of protein-bound sulfhydryl groups. J. nat. Cancer Inst. 13, 905?925 (1953).
3. Barrnett, R. J., Seligman, A. M.: Histochemical demonstration of sulfhydryl and disulfide groups of protein. J. nat. Cancer Inst. 14, 769?803 (1954).
4. Braun-Falco, O.: The histochemistry of the hair follicle. In: The biology of hiar growth (eds. W. Montagna and R. A. Ellis). New York: Academic Press 1958.
5. ?, Rathjens, B.: Histochemische Darstellung von Zink in normaler menschlicher Haut. Arch. klin. exp. Derm. 203, 130?136 (1956).