@book { ApproachingLanguageVariationthroughCorpora,
    title = "Approaching Language Variation through Corpora",
    author = "Shunji {Yamazaki} and Robert {Sigley}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0495-0",
    url = "https://www.peterlang.com/document/1052894"
}