Collegamenti[1] https://www.iai.it/it/iaimedia/radio-colonia-germania-i-colloqui-verdi-fdp-e-spd-vista-della-formazione-del-governo-min [2] https://www1.wdr.de/mediathek/audio/cosmo/radio-colonia/audio-radio-colonia---audio-on-demand--2940.html [3] https://www.iai.it/it/persone/federico-niglia