Unterweger, C. M., Knechtle, B., Nikolaidis, P. T., Rosemann, T., & Rüst, C. A. (2016). Increased participation and improved performance in age group backstroke master swimmers from 25–29 to 100–104 years at the FINA World Masters Championships from 1986 to 2014. Springerplus.
Chicago Style CitationUnterweger, Chiara M., Beat Knechtle, Pantelis T. Nikolaidis, Thomas Rosemann, i Christoph A. Rüst. "Increased Participation and Improved Performance in Age Group Backstroke Master Swimmers From 25–29 to 100–104 years At the FINA World Masters Championships From 1986 to 2014." Springerplus 2016.
Cita MLAUnterweger, Chiara M., et al. "Increased Participation and Improved Performance in Age Group Backstroke Master Swimmers From 25–29 to 100–104 years At the FINA World Masters Championships From 1986 to 2014." Springerplus 2016.