@book{ title = {Mama Muh baut ein Baumhaus}, author = {Wieslander, Jujja}, editor = {Kutsch, Angelika}, editor = {Nordqvist, Sven}, editor = {Wieslander, Tomas}, editor = {Età: dai 0 ai 5 anni }, year = {2021}, edition = {23. Aufl}, address = {Hamburg }, publisher = {Oetinger}, }