RT Conference Proceedings T1 La distribuciĆ³n de competencias en la UniĆ³n Europea y el principio de subsidiariedad T2 The distribution of powers in the European Union and the principle of subsidiarity A1 Mangas, Araceli YR 2008 FD 2008 LK https://hdl.handle.net/20.500.14352/54000 UL https://hdl.handle.net/20.500.14352/54000 LA spa DS Docta Complutense RD 9 abr 2025