1. Altrocchi, P. H., and Menkes, J. H. (1960). Brain, 83, 579.
2. Handbook of Tests;Burt, C.,1923
3. The Parietal Lobes;Critchley, M.,1953
4. Psychologische Untersuchungen uber das Lesen;Erdmann, B.; Dodge, R.,1898
5. Goldscheider, A., and Miuller, R. F. (1893). Z. klin. Med., 23, 131.