@book { InnenAnsichtenSubjektundKlassenkampf,
    title = "InnenAnsichten – Subjekt und Klassenkampf",
    author = "Lothar {Geisler}",
    year = "2023",
    publisher = "Neue Impulse Verlag",
    address = "Essen, Deutschland",
    url = "https://neueimpulseverlag.openpublishing.com/document/1367407"
}