@article{oai:ritsumei.repo.nii.ac.jp:00000704,
 author = {横山, 研治},
 issue = {3},
 journal = {立命館経営学, 立命館経営学},
 month = {Sep},
 pages = {47--68},
 title = {ロロ船と貿易システム},
 volume = {43},
 year = {2004}
}