SpringerOpen, 22 Jan 2019 Activities of Aso volcano https://earth-planets-space.springeropen.com/articles/10.1186/s40623-019-0986-x
Earth, Planets and Space, 17 Jan 2019 Activities of Aso volcano https://earth-planets-space.springeropen.com/articles/10.1186/s40623-019-0986-x