Anderson, O. Julkaistu 2013
Martin, D. T., Skog, C., Gillam, I., Ellis, L., Cameron, K. Julkaisussa Physiological tests for elite athletes (2000)
Craig, N., Walsh, Ch., Martin, D. T., Woolford, S., Bourdon, P., Stanef, T., Barnes, P., Savage, B. Julkaisussa Physiological tests for elite athletes (2000)
Smith, D., Pickard, R. Julkaisussa Physiological tests for elite athletes (2000)
Caldwell, J. E., Pekkarinen, H. Julkaisussa Biomechanics and Medicine in Swimming (1983)