著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Tardáguila,Geotechnical control during the excavation of the tunnel of Guadarrama,,,,2007,255–260,,,https://cir.nii.ac.jp/crid/1370568467233244426,