@article{shirooka_2017, 
  title={観測小話:南の島で時を測る}, 
  volume={56}, 
  DOI={10.11499/sicejl.56.341}, 
  number={5}, 
  publisher={The Society of Instrument and Control Engineers}, 
  author={SHIROOKA, Ryuichi}, 
  year={2017}
  }