@book { TheShorterWritingsofUlrichPutsch,
    title = "The Shorter Writings of Ulrich Putsch",
    subtitle = "Diarium</I>, Oraciones super missam</I> and Manuale simplicium sacerdotum</I>",
    author = "Nigel {Harris}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0523-4",
    url = "https://www.peterlang.com/document/1052653"
}