Isotopic ratio of radioactive iodine (129I/131I) released from Fukushima Daiichi NPP accident Miyake, Yasuto ; Matsuzaki, Hiroyuki ; Fujiwara, Takeshi ; Saito, Takumi ; Yamagata, Takeyasu ; Honda, Maki ; Muramatsu, Yasuyuki Abstract Publication: Geochemical Journal Pub Date: 2012 DOI: 10.2343/geochemj.2.0210 Bibcode: 2012GeocJ..46..327M