@book { IbrahimibnYaqubsAccountofHisTraveltoSlavicCountriesasTransmittedbyAlBakri,
    title = "Ibrahim ibn Yaqub’s Account of His Travel to Slavic Countries as Transmitted by Al-Bakri",
    author = "Tadeusz {Kowalski} and Mustafa {Switat}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18590",
    url = "https://www.peterlang.com/document/1315905"
}