McClaran, S. R.; Babcock, M. A.; Pegelow, D. F.; Reddan, W. G.; Dempsey, J. A. . (1995). Longitudinal effects of aging on lung function at rest and exercise in healthy active fit elderly adults. Journal of Applied Physiology, 78(5), 1957–1968.
doi:10.1152/jappl.1995.78.5.1957
