@book { DasslavischeLehngutimAlbanischen,
    title = "Das slavische Lehngut im Albanischen",
    author = "Xhelal {Ylli}",
    year = "1997",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12571",
    url = "https://www.peterlang.com/document/1067021"
}