@book { MessengersoftheFreeWord,
    title = "Messengers of the Free Word",
    author = "Bartosz {Kaliski} and Yelizaveta {Crofts}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17558",
    url = "https://www.peterlang.com/document/1117766"
}