author = { Anders, Christian Elke Straube Firma Balarupa },

title = { Willi - klein, aber mutig! },

publisher = {Verlag Elke Straube},

isbn = {9783937699547},

isbn = {3937699546},

keywords = { Bilderbuch },

year = {[2021?]},

abstract = {Zielgruppe - ab 0},

address = { [Geising] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }