1. Bohling T, Hatva E, Plate K, Haltia M, Alitalo K. Von Hippel-Lindau disease and capillary haemangioblastoma. In: Tumor of the Nervous system: Pathology and genetics. Lyon, France: International Agency for Research on Cancer; 1997. p. 179.
2. Burger P, Scheithauer B. Tumors of the Central nervous System. Washington: Armed Forces Institute of Pathology; 1994. p. 239.