@article{takata_motoyama_otani_2021, 
  title={Development of electric device for deep ice core drilling}, 
  volume={2021}, 
  DOI={10.14851/jcsir.2021.0_27}, 
  number={0}, 
  publisher={The Japanese Society of Snow and Ice / Japan Society for Snow Engineering}, 
  author={Takata, Morimasa and Motoyama, Hideaki and Otani, Masateru}, 
  year={2021}
  }