@article{oai:kwansei.repo.nii.ac.jp:00019730,
 author = {丸茂, 新 and Marumo, Arata},
 issue = {1/2/3/4},
 journal = {商学論究},
 month = {Jan},
 pages = {413--428},
 title = {派生需要としての交通サービスと生産者の最適条件},
 volume = {27},
 year = {1980}
}