1. “The Aging Brain. Aging, Vol 20”;Cutler,1982
2. “Testing the Theories of Aging”;Cutler,1982
3. Superoxide Dismutase, Longevity and Specific Metabolic Rate
4. “History of Human Lifespan and Mortality “;Acsadi,1970
5. “Cowdry's Problems of Ageing”;Shock,1952