Vollmer, O., Staebler, A., Feist, J.-H., Freudenberger, K., Heinemann, B., Lohnert, H., et al. (1994). Commissioning and Fisrt Operation of the Neutral Beam Heating in ASDEX Upgrade Neutral Beam System. In 15th IEEE/NPSS Symposium on Fusion Engineering (pp. 451-454).