@article{oai:kagawa-u.repo.nii.ac.jp:00004734,
 author = {井原, 健雄 and Ihara, Takeo},
 journal = {研究年報, Annals of economic studies},
 month = {Mar},
 pages = {75--111},
 title = {ON THE SYSTEM OF INTERREGIONAL COMMODITY FLOWS},
 volume = {12},
 year = {1973},
 yomi = {イハラ, タケオ}
}