@book { DieUmweltprfungingestuftenPlanungsverfahren,
    title = "Die Umweltprüfung in gestuften Planungsverfahren",
    author = "Tim {Schwarz}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00579-0",
    url = "https://www.peterlang.com/document/1044428"
}