Akihide H. and Hiroya Y. Examination of 131I and 137Cs releases during late phase of Fukushima Daiichi NPP accident by using 131I/137Cs ratio of source terms evaluated reversely by WSPEEDI code with environmental monitoring data. J. Nucl. Sci Technol. 2017.
doi:10.1080/00223131.2017.1323691
When the above article was first published online, there was one mistake in the vertical axis of Figure 6. This has now been corrected in both the print and online versions.