Baker, A.B., Y.Q. Tang, and M.J. Turner. 2003. Percentage decline in masters super athlete track and field performance with aging. Experimental Aging Research 29:47-65.
Baker, A.B, and Y.Q. Tang. 2010. Aging Performance for masters records in athletics, swimming, rowing, cycling, triathlon, and weight lifting. Experimental Aging Research 36:453-477.
Baker, J., S. Horton, and P. Weir. 2010. The Masters Athlete: Understanding the role of sport and exercise in optimizing aging. Routledge. London and New York.
Fair, R.C., 1994. How fast do old men slow down? The Review of Economics and Statistics 76:103-118.
Fair, R.C., 2007. Estimated age effects in athletic events and chess. Experimental Aging Research 33:37-57.
Fair, R.C., and E.H. Kaplan. 2018. Estimating Aging Effects in Running Events. Review of Economics and Statistics 100:704-711 https://doi.org/10.1162/rest_a_00725.
Nikolaidis, P.T., E. Villiger, T. Rosemann, and B Knechtle. 2018. The effect of aging on pacing strategies of cross-country skiers and the role of performance level. European Review of Aging and Physical Activity. https://doi.org/10.1186/s11556-018-0193-y.
Nikolaidis, P.T. and B Knechtle. 2018. The age-related performance decline in marathon cross-country skiing - the Engadin Ski Marathon. Journal of Sports Sciences. 36:6 599-604 https//doi.org/10.1080/02640414.2017.1325965.
Zavorsky, G.S., K. A. Tomko, and J. M. Smoliga. 2017. Declines in marathon performance: Sex differences in elite and recreational athletes. PLOS One. https://doi.org/10.1371/journal.pone.0172121.