Seth D.S.D.HerrmannSeth D.S.D. i inni, 2024 Adult Compendium of Physical Activities: A third update of the energy costs of human activities, „Journal of Sport and Health Science”, 13 (1), 2024, s. 6–12, DOI:10.1016/j.jshs.2023.10.010.
Eliza F.E.F.ChakravartyEliza F.E.F., Helen B.H.B.HubertHelen B.H.B., Vijaya B.V.B.LingalaVijaya B.V.B., James F.J.F.FriesJames F.J.F., Reduced Disability and Mortality Among Aging Runners: A 21-Year Longitudinal Study, „Archives of Internal Medicine”, 168 (15), 2008, s. 1638–1646, DOI:10.1001/archinte.168.15.1638, PMID:18695077.
Eliza F.E.F.ChakravartyEliza F.E.F., Helen B.H.B.HubertHelen B.H.B., Vijaya B.V.B.LingalaVijaya B.V.B., James F.J.F.FriesJames F.J.F., Reduced Disability and Mortality Among Aging Runners: A 21-Year Longitudinal Study, „Archives of Internal Medicine”, 168 (15), 2008, s. 1638–1646, DOI:10.1001/archinte.168.15.1638, PMID:18695077.