@book { AttitdenundPseudoattitden,
    title = "Attitüden und «Pseudoattitüden»",
    author = "Alwin {Boosch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075567"
}