(3) H. Minakata: “A Study of Leg Extender Exoskeleton with Active Ankle Joint”, IEEJ Trans. IA, Vol. 134, No. 3, pp. 252-257 (2014-3) (in Japanese)
南方英明:「能動足首を持つ脚拡張外骨格の開発」, 電学論D, Vol. 134, No. 3, pp. 252-257 (2014-3)
(4) H. Minakata: “A Study of Leg Extender Exoskeleton Discussion about Manipulability and Link Length Configuration”, AMC2014-Yokohama, pp. 326-331 (2014-3)