Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ,Melnikov Boundary for Biased and Non-Biased Beam Sea Roll,日本船舶海洋工学会講演論文集 Vol.9K,,,2009,,,121-124,https://cir.nii.ac.jp/crid/1010000782071709724,