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Starosta, W., Rynkiewicz, T. Julkaisussa International Journal of Wrestling Science (2014)
Starosta, W., Fostiak, D. Julkaisussa International Journal of Wrestling Science (2013)
Gierczuk, D., Ljach, W. Julkaisussa Human Movement (2012)
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Hartmann, B., Fetz-Hartmann, A. Julkaisussa International Journal of Wrestling Science (2012)
Gierczuk, D., Sadowski, J. Julkaisussa Archives of Budo (2009)