López del Amo, José Luis, M. Carmen Rodríguez, David Wilfred Hill, and Julián Ernesto González. 2018. “Analysis of the Start to the First Hurdle in 110 M Hurdles at the IAAF World Athletics Championships Beijing 2015”. Journal of Human Sport and Exercise 13 (3):504-17. https://doi.org/10.14198/jhse.2018.133.03.