Niedermeyer, H., Wagner, F., Becker, G., Buechl, K., Eberhagen, A., Fussmann, G., et al. (1987). Achievement of Regimes with High Density, Low q_sub.a and Good Confinement on ASDEX: 11.Internat.Conference. Plasma Physics and Controlled Nuclear Fusion Research, Vol. 1, uppl. 1987, 1, 125-137.