@book { StructuralAspectsofBilingualSpeech,
    title = "Structural Aspects of Bilingual Speech",
    author = "Elena {Gasser}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03249-9",
    url = "https://www.peterlang.com/document/1046486"
}