著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) M Martı́nez and E Fernández and J Valdés and V Barboza and R Van der Laat and E Duarte and E Malavassi and L Sandoval and J Barquero and T Marino,"Chemical evolution and volcanic activity of the active crater lake of Poás volcano, Costa Rica, 1993–1997",Journal of Volcanology and Geothermal Research,0377-0273,Elsevier BV,2000-04,97,1-4,127-141,https://cir.nii.ac.jp/crid/1364233269046923136,https://doi.org/10.1016/s0377-0273(99)00165-1