@article{oai:kwansei.repo.nii.ac.jp:00018507,
 author = {土井, 教之 and Doi, Noriyuki},
 issue = {3},
 journal = {経済学論究},
 month = {Oct},
 pages = {99--123},
 title = {企業規模, 市場支配力および研究開発},
 volume = {31},
 year = {1977}
}