@article{oai:kwansei.repo.nii.ac.jp:00018525,
 author = {土井, 教之 and Doi, Noriyuki},
 issue = {3},
 journal = {経済学論究},
 month = {Sep},
 pages = {407--430},
 title = {垂直的統合の形成論理と現実},
 volume = {33},
 year = {1979}
}