1. Ebels, E. J.: Reticulosarcomas of the brain presenting as butterfly tumors. Eur. Neurol.8, 333?338 (1972)
2. Esiri, M. M., Taylor, C. R., Mason, D. Y.: Application of an immunoperoxidase method to a study of the central nervous system: preliminary findings in a study of human formalin-fixed material. Neuropath. Appl. Neurobiol.,2, 233?246 (1976)
3. G�rard-Marchant, T., Hamlin, I., Lennert, K., Rilke, F., Stansfeld, A. G., Unnik, J. A. M. van: Classification of non-Hodgkin's lymphomas (Kiel Classification). LancetII, 802?806 (1974)
4. Jellinger, K., Radaskiewicz, Th., Slowik, F.: Primary malignant lymphomas of the central nervous system in man. Acta Neuropathol. (Berl.), Suppl.VI, 95?102 (1975)
5. Jellinger, K., Sluga, E., Slowik, F.: Fine structure of primary intracranial malignant lymphomas. J. Neuropathol. Exp. Neurol.35, 100 (1976)