The "mind-set" of jujutsuka in the five historical materials of Yoshin-ryu jujutsu in Edo period in Japan

Ido Movement for Culture : journal of martial arts anthropology : theory of culture, psychophysical culture, cultural tourism, anthropology of martial arts, combat sports, Tom 15, Numer 4 (2015) s. 26-32
Kazuhiko Kuboyama