@book{
title = {9. Jahrgangsstufe},
author = {},
editor = {Beck, Brigitte},
editor = {Hell, Peter},
editor = {Olbrich, Paul},
editor = {998041228208896 - Unterrichtssequenzen Deutsch : Lesen, Sprechen und Schreiben im integrativen Deutschunterricht / Peter Hell, Paul Olbrich (Hrsg) - 9 -  },
year = {1999},
address = {Donauwörth },
publisher = {Auer},
}