URL https://www.researchgate.net/publication/293029681/figure/fig8/AS:668710406721544@1536444393460/Yoshiyuki-Kuhara-left-visiting-the-retired-Kaichiro-Samura-10-th-dan-right-and-wife.png
URL2 https://www.researchgate.net/figure/Yoshiyuki-Kuhara-left-visiting-the-retired-Kaichiro-Samura-10-th-dan-right-and-wife_fig8_293029681
