50 m freestyle in 21, 22 and 23 s: What differentiates the speed curve of world-class and elite male swimmers? - Barbosa, A. C.; Barroso, R.; Gonjo, T.; Rossi, M. M.; Paolucci, L. A., Olstad, B. H.; Andrade, A. G. P. (International Journal of Performance Analysis in Sport, 2021)