Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Evenson, Robert E. (Robert Eugene) and Yale University. Economic Growth Center","Intellectual property rights, R&D, inventions, technology pruchase, and piracy in economic development : an international comparative study",,"Yale University, Economic Growth Center",1990,Center paper,,,,https://cir.nii.ac.jp/crid/1130282269814287744