Under CopyrightAigner, JonathanJonathanAignerMocker, M.M.MockerKroop, S.S.KroopLohmeyer, R.R.LohmeyerFranke, M.M.Franke2022-03-1322.12.20162016https://publica.fraunhofer.de/handle/publica/39421910.24406/publica-fhg-394219enRaw materials for renewable energy technologies - demand, availability and ecological aspectspresentation