@book { AugenblickundAngst,
    title = "Augenblick und Angst",
    subtitle = "Kierkegaards Zeit- und Existenzauffassung in Der Begriff Angst und in den Climacus-Schriften",
    author = "Zizhen {Liu}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03896-5",
    url = "https://www.peterlang.com/document/1046523"
}