@article{oai:repository.dl.itc.u-tokyo.ac.jp:00017233, author = {野村, 良一 and 大川, 隆夫}, issue = {3-4}, journal = {社會科學研究}, month = {Mar}, note = {application/pdf}, pages = {103--115}, title = {技術選択と特許の保護範囲}, volume = {56}, year = {2005} }