@book { GeoffreyHillandhisContexts,
    title = "Geoffrey Hill and his Contexts",
    author = "Piers {Pennington} and Matthew {Sperling}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0232-5",
    url = "https://www.peterlang.com/document/1051996"
}