Dokumente Bleckwedel_FinitenessOfFossilFuels.pdf Bleckwedel_FuelCellsBasics.pdf Bleckwedel_RenewableEnergyInGermany.pdf Brueggemann_ResourceEfficiency.pdf Hamann_Geography.pdf Hamann_History.pdf Hamann_RecentHistory.pdf Koenemund_Hydro.pdf Koenemund_Solar.pdf Koenemund_Wind.pdf Paronen_SummaryOnTheLectures.pdf