TAKjulianAGU https://speakerdeck.com/takjulian0564 2016-06-16 05:46:57 -0400 空間情報システム入門#02　２０１６/06/16 Thu, 16 Jun 2016 00:00:00 -0400 https://speakerdeck.com/takjulian0564/16 https://speakerdeck.com/takjulian0564/16