@book { MiddleKnowledge,
    title = "Middle Knowledge",
    subtitle = "Theory and Applications",
    author = "William {Hasker} and Eef {Dekker} and David {Basinger}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1090202"
}