@book { ChangeinVerbalSystemsIssuesonExplanation,
    title = "Change in Verbal Systems-  Issues on Explanation",
    author = "Kerstin {Eksell} and Thora {Vinther}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100993"
}