@article{nagata_sakai_ogino_hibiu_murakami_ohkubo_1999, 
  title={25aM-10 The Tube Circle Accelerometer by liquid surface inclination : Hands-on Science Activities ride on a vehicle}, 
  volume={54.2.2}, 
  DOI={10.11316/jpsgaiyo.54.2.2.0_328_1}, 
  number={0}, 
  publisher={The Physical Society of Japan}, 
  author={NAGATA, Toshio and SAKAI, Tomohiro and OGINO, Mina and HIBIU, Kiwamu and MURAKAMI, Syunichi and OHKUBO, Masatoshi}, 
  year={1999}
  }