@misc{oai:nipr.repo.nii.ac.jp:00015422,
 author = {Yamaguchi, Hajime and Matsuzawa, Takatoshi},
 month = {Dec},
 note = {The Ninth Symposium on Polar Science/Interdisciplinary sessions: [IA] Open session for the interdisciplinary Arctic Science, Thu. 6 Dec. / 2F Auditorium, National Institute of Polar Research},
 title = {On the optimum route search along the Arctic sea routes},
 year = {2018}
}