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) Gaetano Di Achille and Brian M. Hynek,Ancient ocean on Mars supported by global distribution of deltas and valleys,Nature Geoscience,1752-0894,Springer Science and Business Media LLC,2010-06-13,3,7,459-463,https://cir.nii.ac.jp/crid/1361137045977924480,https://doi.org/10.1038/ngeo891