@book { Pseudoallergien,
    title = "Pseudoallergien",
    author = "Ines {Treppenhauer}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832409630",
    url = "https://m.diplom.de/document/216861"
}