@book { DefiningStrains,
    title = "Defining Strains",
    subtitle = "The Musical Life of Scots in the Seventeenth Century",
    author = "James {Porter}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1104192"
}