Chikada, T., Fujita, H., Matsunaga, M., Horikoshi, S., Mochizuki, J., Hu, C., Koch, F., Tokitani, M., Hishinuma, Y., Yabuuchi, K., & Oya, Y. (2017). Deuterium permeation behavior in iron-irradiated erbium oxide coating. Fusion Engineering and Design, 124, 915-918. doi:10.1016/j.fusengdes.2017.01.016.