@book { TeachingDoubleNegatives,
    title = "Teaching Double Negatives",
    author = "Robert {Cowan}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b13347",
    url = "https://www.peterlang.com/document/1056866"
}