@book { SyntaxderErgnzungsfrage,
    title = "Syntax der Ergänzungsfrage",
    subtitle = "Empirische Untersuchungen am Russischen, Polnischen und Tschechischen",
    author = "Roland {Meyer}",
    year = "2004",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12714",
    url = "https://www.peterlang.com/document/1067120"
}