@article{oai:nistep.repo.nii.ac.jp:00006329, author = {山田, 肇 and 藤井, 章博}, journal = {Science & Technology Trends Quarterly Review2005 April, Science & Technology Trends}, month = {}, title = {Technology and Policy Trends in Frequency Sharing}, year = {2005}, yomi = {ヤマダ, ハジメ and フジイ, アキヒロ} }