Distribution of the helium isotope ratios in Kyusyu district
(日本地球惑星科学連合2011年大会 2011)
Time variation of the 3He/4He ratios in hot spring gases around the source region of The 2008 Iwate-Miyagi Nairiku Earthquake in 2008
(IGRS The 2nd Symposium 2010)
Temporal change of the 3He/4He ratios in hot spring gases around the source region of the 2008 Iwate-Miyagi Nairiku Earthquake
(日本地球惑星科学連合2010年大会 2010)
Helium isotopic ratios of core samples from IODP Exp.319 (NanTroSeie Stage 2)
(AGU 2009 Fall Meeting 2009)