@article{oai:toyo.repo.nii.ac.jp:00006601,
 author = {齋藤, 孝},
 issue = {2},
 journal = {経済論集, The Economic Review of Toyo University},
 month = {Mar},
 pages = {143--156},
 title = {戦前の日本における特許と経済変動―技術分野別特許件数の分析―},
 volume = {39},
 year = {2014}
}