@book { EcumenisminPraxis,
    title = "Ecumenism in Praxis",
    author = "Joseph {Daniel}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04717-2",
    url = "https://www.peterlang.com/document/1048735"
}