1. Andrew, S. The anatomy of aging in man and animals .New York: Grune & Stratton, 1971.
2. Arendt, A. Altern des Zentralnervensystems. In H. Gottfried (Ed.), Handbuch der alle gemeiner Pathologie .New York: Springer, 1972.
3. Ball, M. J. Topographic distribution of neurofibrillary tangles and granulovacuolar degeneration in hippocampal cortex of aging and demented patients. A quantitative study. Acta Neu-ropathologica, 1978, 42, 73–80.
4. Ball, M. J., & Lo, P. Granulovacuolar degeneration in the aging brain and in dementia. Journal of Neuropathology and Experimental Neurology, 1977, 36, 474–487.
5. Blessed, G., Tomlinson, B. E., & Roth, M. The association between quantitative measures of dementia and senile changes of the cerebral gray matter of elderly subjects. British Journal of Psychiatry, 1968, 14, 797–811.