@book { IntersectingPhilosophicalPlanes,
    title = "Intersecting Philosophical Planes",
    author = "Bert {Olivier}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0322-3",
    url = "https://www.peterlang.com/document/1052552"
}