GEOTHERMAL AND HOT SPRING WATER ORIGIN DETERMINATION USING OXYGEN AND HYDROGEN STABLE ISOTOPE IN THE TOYOHIRAKAWA CATCHMENT, HOKKAIDO, JAPAN . International Journal of Geomate, [S. l.], v. 13, n. 37, p. 127–132, 2017. Disponível em: https://geomatejournal.com/geomate/article/view/1559. Acesso em: 10 oct. 2026.