1. Meningiomas of the posterior fossa;Castellano;Acta Radiol [Suppl](Stockh),1953
2. Clivus meningiomas;Cherington;Neurology,1966
3. Meningiomas;Cushing,1938
4. Les méningiomes du clivus;Dany;Neurochirurgie,1963
5. Surgical approaches to the sphenoidal and clival areas;Derome,1979