Prof.; geologia, mineralogia, petrografia; badania regionów polarnych.

Origin and evolution of continents / ed. by Yoichi Motoyoshi and Kazuyuki Shiraishi. - Tokyo, 1998.

Strona nippon.com, 18.09.17 http://www.nippon.com/en/authordata/motoyoshi-yoichi/

Strona School of Multidisciplinary Science, Department of Polar Science, 18.09.17 http://www.nipr.ac.jp/soken-e/teacher/motoyosi_y05.html

LCA online