@book { BeyondWitnessing,
    title = "Beyond Witnessing",
    author = "Peter Chidi {Okuma}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03529-2",
    url = "https://www.peterlang.com/document/1048094"
}