@article{oai:ncu.repo.nii.ac.jp:00000992,
 author = {Aoki, You and 青木, 洋},
 journal = {22nd Century Institute‐Reviews (in English)},
 month = {Mar},
 title = {The seamanship of traders of the “Asia inland sea” during the Age of Commerce ~Deduction of drawings from the Ryukyu Kingdom Period~},
 volume = {E02},
 year = {2015}
}