Ongena, J., Messiaen, A. M., Unterberg, B., Budny, R. V., Bush, C. E., Hill, K., et al. (1999). Overview of experiments with radiation cooling at high confinement and high density in limited and diverted discharges. Plasma Physics and Controlled Fusion, 41(Suppl. 3A), A379-A399. doi:10.1088/0741-3335/41/3A/031.