Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nagami Tomoyuki and Higuchi Takatoshi and Kanosue Kazuyuki,How baseball spin influences the performance of a pitcher,The Journal of Physical Fitness and Sports Medicine,21868131,The Japanese Society of Physical Fitness and Sports Medicine,2013,2,1,63-68,https://cir.nii.ac.jp/crid/1390282680392988544,https://doi.org/10.7600/jpfsm.2.63