@book { HenryDavidThoreauGraspingtheCommunityoftheWorld,
    title = "Henry David Thoreau – Grasping the Community of the World",
    author = "Tadeusz {Slawek}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02651-1",
    url = "https://www.peterlang.com/document/1047496"
}