@book { ElLunfardo, title = "El Lunfardo", subtitle = "Kontaktvarietät der Migrationskultur am Río de la Plata und in der Welt des Tango", author = "Janka {Wunderlich}", year = "2014", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-03887-3", url = "https://www.peterlang.com/document/1048314" }