@book { EinstiegindenKonsumillegalerDrogenimbiografischenKontext, title = "Einstieg in den Konsum illegaler Drogen im biografischen Kontext", author = "Veronika {Wilske}", year = "2015", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Deutschland", url = "https://m.bachelor-master-publishing.de/document/297796" }