%0 Journal Article %T Hydraulic fracturing wastewater in Germany: composition, treatment, concerns %A Olsson, Oliver %A Weichgrebe, Dirk %A Rosenwinkel, Karl-Heinz %J Environmental Earth Sciences %V 70 %N 8 %P 3895-3906 %@ 1866-6280 %D 2013-05-31 %I Springer Berlin Heidelberg %~ DeepDyve