Skinner, T., Taaffe, D., Leveritt, M., Coombes, J., Jenkins, D. Julkaisussa Journal of Science and Medicine in Sport (2011)
Abt, G. A., Mummery, W. K., Coutts, A. J., Reaburn, P. R., Dickson, G., Rowsell, G., Schofield, G. Julkaisussa 5th IOC World Congress on Sport Sciences with the Annual Conference of Science and Medicine in Sport 1999 (1999)
Coutts, A., Reaburn, P., Holmes, M., Mummery, W.