@book { UmweltschutziminternationalenundregionalenFreihandel,
    title = "Umweltschutz im internationalen und regionalen Freihandel",
    author = "Martin {Moncayo von Hase}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088135"
}