@article{oai:kansaigaidai.repo.nii.ac.jp:00007646,
 author = {山下, 克知 and Yamashita, Katsutaka},
 journal = {研究論集, Kenkyu-Ronshū : The Review of Inquiry and Research},
 month = {Sep},
 pages = {189--200},
 title = {On Self-Defense},
 volume = {17},
 year = {1971},
 yomi = {ヤマシタ, カツタカ}
}