Akiko Usami, Megumi Nobori, Akihiko Yagi, & Eiji Iwatsuki. (2018). PRESENCE STATE OF TRACE ELEMENTS IN THE OHTAKIGAWA RIVER WATERSHED FROM THE FOOT OF Mt. ONTAKE. GEOMATE Journal, 14(44), 15–19. Retrieved from https://geomatejournal.com/geomate/article/view/1714