@book { AkzentundBetonungimRussischen,
    title = "Akzent und Betonung im Russischen",
    author = "Werner {Lehfeldt}",
    year = "2012",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12063",
    url = "https://www.peterlang.com/document/1056385"
}