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) Satoshi Kubo and Toshio Kobayashi and Masahiro Nakamura and Makoto Ichikawa,Drilling a 2-inch in Diameter Hole in Granites Submerged in Water by CO2 Lasers,SPE/IADC Drilling Conference and Exhibition,,SPE,2009-03-17,,,,https://cir.nii.ac.jp/crid/1871991017829909632,https://doi.org/10.2118/119914-ms