@book { IssuesintheLeftPeriphery,
    title = "Issues in the Left Periphery",
    subtitle = "A Typological Approach to Topic and Focus Constructions",
    author = "Sonja {Ermisch}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101567"
}