@book { AmericanWildZones,
    title = "American Wild Zones",
    author = "Jerzy {Kamionowski} and Jacek {Partyka}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05388-3",
    url = "https://www.peterlang.com/document/1049048"
}