author = { Riedel, Ingrid Klee, Paul },

title = { Engel der Wandlung Paul Klees Engelbilder },

edition = { 5. Aufl. } ,

publisher = {Herder},

isbn = {3451272881},

keywords = { Klee, Paul , Grafik , Engel Motiv },

year = {2002},

booktitle = {Herder-Spektrum},

address = { Freiburg im Breisgau },

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