Iwai, K., Takahashi, R., Yumoto, K., Nakazato, K. Veröffentlicht in International Journal of Wrestling Science (2018) “...Takahashi, R....”
Iwai, K., Takahashi, R., Yumoto, K., Nakazato, K. Veröffentlicht in International scientific and professional conference on wrestling: "Applicable research in wrestling" (2017) “...Takahashi, R....”
Takahashi, R. Veröffentlicht in Coach and Athletic Director (1999) “...Takahashi, R....”