@book { EuropeanLitanicVerse,
    title = "European Litanic Verse",
    author = "Witold {Sadowski}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14341",
    url = "https://www.peterlang.com/document/1062486"
}