Maggi, C. F., Weisen, H., Hillesheim, J. C., Chankin, A., Delabie, E., Horvath, L., Auriemma, F., Carvalho, I. S., Corrigan, G., Flanagan, J., Garzotti, L., Keeling, D., King, D., Lerche, E., Lorenzini, R., Maslov, M., Menmuir, S., Saarelma, S., Sips, A. C. C., Solano, E. R., Belonohy, E., Casson, F. J., Challis, C., Giroud, C., Parail, V., Silva, C., & Valisa, M. (n.d.). isotope effects on L-H threshold and confinement in tokamak plasmas. Plasma physics and controlled fusion, 60, . http://access.bl.uk/ark:/81055/vdc_100060477571.0x00003b