@book { SaintsBiographiesandHistoryinAfricaSaintsbiographiesethistoireenAfriqueHeiligeBiographienundGeschichteinAfrika,
    title = "Saints, Biographies and History in Africa- Saints, biographies et histoire en Afrique- Heilige, Biographien und Geschichte in Afrika",
    author = "M. Bertrand {Hirsch} and Manfred {Kropp}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095014"
}