Ignasiak, Z.; Sławińska, T.; Malina, R. M. Short Term Secular Change in Body Size and Physical Fitness of Youth 7–15 Years in Southwestern Poland: 2001–2002 and 2010–2011. AR 2016, 79 (3), 311-329. https://doi.org/10.1515/anre-2016-0023.