@article{tateyama_naruke_sasaki_yamada_2019, 
  title={Penetration Resistance of Tatami Against Collision of Ballistic Rock}, 
  volume={2019}, 
  DOI={10.18940/vsj.2019.0_92}, 
  number={0}, 
  publisher={The Volcanological Society of Japan}, 
  author={Tateyama, Kohei and Naruke, Shino and Sasaki, Hisashi and Yamada, Hiroyuki}, 
  year={2019}
  }