The German Wind Resource and Norwegian Hydro – Interesting Possibilities Lars Audun Fodstad, SVP, Statkraft Energy AS, BMU 5th July 2010, Berlin.
ZAE BAYERN AKE Herbsttagung, 22-23 Oktober 2009, Bad Honnef Elektrische Energiespeicher Ulrich Stimming 1,2, Matthias Rzepka 1 1 ZAE Bayern, Abteilung.