@article{oai:k-kentan.repo.nii.ac.jp:00000411, author = {宗田, 健一 and Sota, Kenichi}, issue = {46}, month = {Mar}, note = {2, KJ00009766019}, pages = {15--28}, title = {離島航空路線維持に関する一考察}, year = {2015}, yomi = {ソウタ, ケンイチ} }