Richard Kellner
- Electro-mechanical efficiency enhancement and refurbishment of the run of river hydro power plant Ybbs-Persenbeug/Danube. Dans: La Houille Blanche, v. 101, n. 4 (août 2015). (2015):
- Runner Development for the YBBS 2020 Rehabilitation Project at Ybbs-Persenbeug Power Plant in Austria. Dans: Wasserwirtschaft, v. 105, n. 13 (avril 2015). (2015):