@book{ title = {Lehrerhandbuch Sprachniveau B2-C1}, author = {Buscha, Anne}, editor = {Grigull, Ingrid}, editor = {Raven, Susanne}, editor = {998011632908896 - Erkundungen - }, year = {2017}, edition = {3., veränderte Aufl}, address = {Leipzig }, publisher = {Schubert}, }