@book { MikropolitikUntersuchungeinessoziologischenPhnomens,
    title = "Mikropolitik - Untersuchung eines soziologischen Phänomens",
    author = "Michael {Lange}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/222935"
}