1. Case of large cerebral tumor without optic neuritis and with left hemiplegia and imperception;Jackson,1932
2. Disturbances of visual orientation;Holmes;Br. J. Ophthalmol.,1918
3. The Parietal Lobes;Critchley,1953
4. Clinical Neuro-ophthalmology;Walsh,1969
5. Disorders of spatial orientation;Benton,1969