@book { DevelopmentAidandEnvironmentalProtection,
    title = "Development Aid and Environmental Protection",
    author = "Klaus-Dieter {John} and Dirk {Rübbelke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101737"
}