Political Communication Culture in the United States and Germany - Pfetsch, Barbara (The Harvard International Journal of Press/Politics, 2001)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTE3Ny8xMDgxMTgwMDExMjkxNzE5OTE