1. v. Albertini, A.: Histologische Geschwulstdiagnostik. Stuttgart: G. Thieme 1974
2. Becker, S. W.: Historical background of research on pigmentary diseases of the skin. J. invest. Derm.32, 185–196 (1959)
3. Burg, G., Braun-Falco, O.: The cellular stromal reaction in malignant melanoma. A cytochemical investigation. Arch. Derm. Forsch.245, 318–333 (1972)
4. Burg, G., Braun-Falco, O.: Fortschritte in der cytochemischen Differenzierung von Infiltratzellen in der Haut. Hautarzt25, 1–8 (1974)
5. Clark, H. W., Jr., From, L., Bernardino, E. A., Mihm, M. C.: The histogenesis and biologic behavior of primary human malignant melanomas of the skin. Cancer Res.29, 705–726 (1969)