@book { TheNatureofIdioms,
    title = "The Nature of Idioms",
    subtitle = "A Systematic Approach",
    author = "Leon {Jaeger}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1089308"
}