@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042773,
 author = {Basmann, Robert L. and Michael, McAleer and Daniel, Slottje},
 month = {Mar},
 note = {application/pdf, Journal of Econometrics. 掲載予定., 本文フィルはリンク先を参照のこと},
 title = {Patent Activity and Technical Change},
 year = {2003}
}