@book { EnglishDiscourseMarkersofReformulation,
    title = "English Discourse Markers of Reformulation",
    subtitle = "A classification and description",
    author = "Maria Milagros {Del Saz Rubio}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1102488"
}