@book { EinekonomischeAnalysedesMagdeburgerDrogenmarktes, title = "Eine ökonomische Analyse des Magdeburger Drogenmarktes", author = "Sven {Paschke}", year = "2009", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836627801", url = "https://m.diplom.de/document/226677" }