@article{oai:kansai-u.repo.nii.ac.jp:00017149,
 author = {三上, 宏美},
 issue = {5},
 journal = {關西大學商學論集},
 month = {Dec},
 pages = {388--401},
 title = {運輸・通信経済論の対象 : G. レーバイン, H. ワーゲナの所説に寄せて},
 volume = {14},
 year = {1969}
}