Viezzer, E., Fable, E., Pütterich, T., Bergmann, A., Cavedon, M., Dux, R., et al. (2015). Collisionality dependence of edge rotation and ion-out impurity asymmetries in ASDEX Upgrade H-mode plasmas. Nuclear Fusion, 55: 123002. doi:10.1088/0029-5515/55/12/123002.