@book { BacknessDistinctioninPhonology,
    title = "Backness Distinction in Phonology",
    author = "Paweł {Rydzewski}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b10672",
    url = "https://www.peterlang.com/document/1050664"
}