@book { EcclesiainEphesians,
    title = "Ecclesia in Ephesians",
    subtitle = "A Theology of an Undivided Apostolic Church in the Letter to the Ephesians",
    author = "Aby {Puthukulangara}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17686",
    url = "https://www.peterlang.com/document/1111553"
}