1. Bondareff, W. The neural basis of aging. In J. E. Birren and K. W. Schaie (Eds.), Handbook of the psychology of aging. New York: Van Nostrand Reinhold, 1977.
2. Botwinick, J., and Storandt, M. Memory, related functions and age. Springfield, Illinois: Charles C Thomas, 1974.
3. Chusid, J. G. Correlative neuroanatomy & functional neurology. Los Altos, California: Lange Medical, 1970.
4. Corsini, R. J., and Fassett, K. K. Intelligence and aging. Journal of Genetic Psychology, 1953, 83, 249–264.
5. Craik, F. I. M. Age differences in human memory. In J. E. Birren and K. W. Schaie (Eds.), Handbook of the psychology of aging. New York: Van Nostrand Reinhold, 1977.