Under CopyrightSievers, HenrikeHenrikeSieversTercero Espinoza, Luis A.Luis A.Tercero Espinoza2022-03-0728.11.20172012https://publica.fraunhofer.de/handle/publica/29594310.24406/publica-fhg-295943en303600European dependence on and concentration tendencies of the material productionreport