@book { UmweltpolitikundAuenhandel, title = "Umweltpolitik und Außenhandel", subtitle = "Eine allokationspolitische Analyse", author = "Thomas {Gabelmann}", year = "2000", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1089709" }