@book { HeinrichMannSpiegelbildundAntagonistseinerZeit, title = "Heinrich Mann: Spiegelbild und Antagonist seiner Zeit", author = "Alexander {v. Fenner}", year = "2008", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836617024", url = "https://m.diplom.de/document/226017" }