@book{MachaHildebrandt, author = {Macha, Katrin and Hildebrandt, Frauke}, title = {Wir m{\"u}ssen mittags nicht mehr schlafen!}, publisher = {Wamiki}, address = {Berlin}, isbn = {978-3-945810-98-9}, publisher = {Fachhochschule Potsdam}, pages = {119}, language = {de} }