@book { AcousticsoftheVowel,
    title = "Acoustics of the Vowel",
    subtitle = "Indices",
    author = "Dieter {Maurer}",
    year = "2024",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b22003",
    url = "https://www.peterlang.com/document/1462230"
}