@book { WovonlebtderMensch,
    title = "Wovon lebt der Mensch?",
    subtitle = "Über Welterkenntnis und Selbsterkenntnis - Gedanken eines Freimaurers",
    author = "Heinz {Pollak}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088308"
}