@book { BalancingtheWorld,
    title = "Balancing the World",
    author = "Daniel Croles {Fitjar}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04710-3",
    url = "https://www.peterlang.com/document/1048732"
}