Manz, P., Boom, J. E., Wolfrum, E., Birkenmeier, G., Classen, I. G. J., Luhmann Jr, N. C., et al. (2014). Velocimetry analysis of type-I edge localized mode precursors in ASDEX Upgrade. Plasma Physics and Controlled Fusion, 56: 035010. doi:10.1088/0741-3335/56/3/035010.