@article{oai:toyo-bunko.repo.nii.ac.jp:00003202,
 author = {MURAI, Shosuke and MURAI, Syosuke},
 journal = {Memoirs of the Research Department of the Toyo Bunko},
 month = {},
 pages = {19--38},
 title = {A Reconsideration of the Introduction of Firearms to Japan},
 volume = {60},
 year = {2002}
}