@book { FormalandFunctionalPerspectivesonTenseandRelatedCategories,
    title = "Formal and Functional Perspectives on Tense and Related Categories",
    author = "Christian {Heyde Petersen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096919"
}