@book { TheologieundPraxisdesPetrusamtesbeiJosephRatzingerBenediktXVI,
    title = "Theologie und Praxis des Petrusamtes bei Joseph Ratzinger/Benedikt XVI.",
    author = "Rafał {Biniek}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11215",
    url = "https://www.peterlang.com/document/1110078"
}