Physiological responses during submaximal interval swimming training: effects of interval duration
Bentley, D.J., Roels, B., Hallard, P., Fauquet, C., Libicz, S. and Millet, G.P. 2005. Physiological responses during submaximal interval swimming training: effects of interval duration. Journal of Science and Medicine in Sport. 8 (4), pp. 392-402. https://doi.org/10.1016/S1440-2440(05)80054-4