<https://tetsumag.com/#person>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<https://tetsumag.com/2020/03/17/%E4%B8%AD%E5%B0%8F%E5%BB%BA%E8%A8%AD%E6%A5%AD%E3%81%AE%E4%BA%BA%E6%9D%90%E4%B8%8D%E8%B6%B3%E3%81%AFma%E3%81%A7%E8%A7%A3%E6%B1%BA%E3%81%A7%E3%81%8D%E3%82%8B%EF%BC%9F/>