@book{
title = {Der kleine Grenzverkehr},
author = {Betke Nielsen, Gisela},
editor = {Jørgensen, Oskar},
editor = {Kästner, Erich <1899-1974>},
editor = {Con breve apparato didattico },
year = {2000},
address = {Zürich },
publisher = {Atrium},
}