@book { TheKashubsPastandPresent,
    title = "The Kashubs: Past and Present",
    author = "Cezary {Obracht-Prondzynski} and Tomasz {Wicherkiewicz}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0184-7",
    url = "https://www.peterlang.com/document/1043871"
}