https://protestinstitut.eu/de/author/dieterrucht/https://protestinstitut.eu/de/author/herrschlicht/https://protestinstitut.eu/de/author/ipbteam/https://protestinstitut.eu/de/author/peterullrich/https://protestinstitut.eu/de/author/poldrackc/https://protestinstitut.eu/de/author/protest/https://protestinstitut.eu/de/author/seha/https://protestinstitut.eu/de/author/tina/