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Annette Froehlich, Author ; Christoffel Kotze, Author ; André Siebrits, Author ; Annette Froehlich | [S.l.] : SpringerWienNewYork | Studies in space policy | 2021
Annette Froehlich, Author ; Nicolas Ringas, Author ; James Wilson, Author | [S.l.] : SpringerWienNewYork | Studies in space policy | 2020