Wolfrum, M., Knechtle, B., Rüst, C. A., Rosemann, T., & Lepers, R. (2013). The effects of course length on freestyle swimming speed in elite female and male swimmers – a comparison of swimmers at national and international level. Springer International Publishing.

Wolfrum, Mathias, Beat Knechtle, Christoph Alexander Rüst, Thomas Rosemann, and Romuald Lepers. The Effects of Course Length On Freestyle Swimming Speed in Elite Female and Male Swimmers €� a Comparison of Swimmers At National and International Level. Springer International Publishing, 2013.

Wolfrum, Mathias, et al. The Effects of Course Length On Freestyle Swimming Speed in Elite Female and Male Swimmers €� a Comparison of Swimmers At National and International Level. Springer International Publishing, 2013.