Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Junichi Nakajima and Akira Hasegawa,"Tomographic imaging of seismic velocity structure in and around the Onikobe volcanic area, northeastern Japan: implications for fluid distribution",Journal of Volcanology and Geothermal Research,0377-0273,Elsevier BV,2003-09,127,1-2,1-18,https://cir.nii.ac.jp/crid/1363107370148795008,https://doi.org/10.1016/s0377-0273(03)00155-0