Noda, N., Nakamura, Y., Takeiri, Y., Mutoh, T., Kumazawa, R., Sato, M., et al. (2001). Experimental studies towards long pulse steady state operation in LHD. Nuclear Fusion, 41, 779-790. https://doi.org/10.1088/0029-5515/41/6/314(Original work published Jun)