J. M. Willardson, National Strength & Conditioning Association Veröffentlicht 2014 “...National Strength & Conditioning Association...”
Verchoshanskij, J. “...strength and speed sports...”
Karli, U., Guvenc, A., Aslan, A., Hazir, T., Acikada, C. Veröffentlicht in Journal of Sports Science & Medicine (2007) “...strength and speed sports...”