@book { MotivatingtheSymbolic,
    title = "Motivating the Symbolic",
    subtitle = "Towards a Cognitive Theory of the Linguistic Sign",
    author = "Hubert {Kowalewski}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06407-0",
    url = "https://www.peterlang.com/document/1050035"
}