[20] 普遍単位系, , http://www.asahi-net.or.jp/~dd6t-sg/univunit-j/
[7] 普遍単位系の変遷: suchowan's blog, https://suchowan.at.webry.info/201712/article_25.html
[10] Dozenal Wiki → GitHub: suchowan's blog, https://suchowan.seesaa.net/article/202411article_25.html
[13] a_converter/doc at master · suchowan/a_converter · GitHub, https://github.com/suchowan/a_converter/tree/master/doc
[14] Dozenal Wiki → GitHub(つづき): suchowan's blog, https://suchowan.seesaa.net/article/202412article_19.html
[15] Dozenal Wiki → GitHub(さらにつづき): suchowan's blog, https://suchowan.seesaa.net/article/202412article_23.html
[16] 「clock」から「nodus」への改名と「hexon」などの派生単位について - ChatGPT: suchowan's blog, https://suchowan.seesaa.net/article/202501article_14_3.html
[19] duodecimal myriad system の見直し: suchowan's blog, https://suchowan.seesaa.net/article/202502article_6.html
[21] GitHub - suchowan/a_converter: A converter for dozenal and decimal metric systems, https://github.com/suchowan/a_converter