@book { RitualsinanUnstableWorld,
    title = "Rituals in an Unstable World",
    author = "Alexander {Henn} and Klaus-Peter {Koepping}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105021"
}