Peeters, A. G., Angioni, C., Apostoliceanu, M., Pereverzev, G. V., Quigley, E., Ryter, F., et al. (2005). Understanding of the density profile shape, electron heat transport and internal barriers observed in ASDEX Upgrade. Nuclear Fusion, 45, 1140-1147. Retrieved from http://www.iop.org/EJ/abstract/0029-5515/45/9/014.