Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKABE T.,Control system for drilling geothermal wells at high angles of deviation in national parks,"Proc. 35th New Zealand Geothermal Workshop, November 18-20, Rotorua, New Zealand.",,,2013,,,,https://cir.nii.ac.jp/crid/1573105974135962240,