@book { Populrekologie,
    title = "Populäre Ökologie",
    subtitle = "Zu Literatur und Geschichte der modernen Umweltbewegung in den USA",
    author = "Hannes {Bergthaller}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103073"
}