@book { EnvironmentalProblemsGlobally,
    title = "Environmental Problems Globally",
    author = "Daniel {Lachmann}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06603-6",
    url = "https://www.peterlang.com/document/1050222"
}