https://web.archive.org/web/20161207010218/http://megalodon.jp/2016-1207-1001-55/https://sites.google.com:443/site/tsukasakuwabara1970/home/links/home-page-archive/sumaries-of-doctoral-dissertation/-yu-ta https://web.archive.org/web/20161207010324/http://megalodon.jp/2016-1207-1003-00/https://sites.google.com:443/site/tsukasakuwabara1970/home/links/home-page-archive/sumaries-of-doctoral-dissertation/-yu-ta/completed |