Penetration Resistance of Tatami Against Collision of Ballistic Rock
畳の噴石衝突安全に関する実験的検討

Kohei Tateyama, Shino Naruke, Hisashi Sasaki, Hiroyuki Yamada
2019 Programme and Abstracts the Volocanological Society of Japan  
doi:10.18940/vsj.2019.0_92 fatcat:wotpkjl2ebcshimbq77n3kmilu