1. Jakumeit, H., W. Zimmermann, and G. Guiot, Intrasellar gangliocytomas. J. neurosurg.40, 5 (1974), 626?630.
2. Koos, W. Th., and M. H. Miller, Intracranial tumors of infants and children. Stuttgart: G. Thieme. London: J. and A. Churchill. 1971.
3. Matson, D. D., Neurosurgery of infancy and childhood. Springfield, Ill.: Ch. C Thomas. 1969.
4. Zülch, K. L., Brain tumors, their biology and pathology. New York: Springer. 1957.