Peter Jan Beek

Validity and reliability of 6-a-side small-sided game locomotor performance in assessing physical fitness in football players

P. Beek, C. D. de Ruiter, Tom Gerardus Antonia Stevens, 2016, Journal of sports sciences.

Measured and estimated energy cost of constant and shuttle running in soccer players.

P. Beek, C. D. de Ruiter, Tom Gerardus Antonia Stevens, 2015, Medicine and science in sports and exercise.