author = { Cleaver, Vera AND Cleaver, Bill Schönfeldt, Sybil Gräfin AND Cleaver, Vera },

title = { Ein Baum in Chicago },

publisher = {Bitter},

isbn = {3790302090},

year = {1976},

address = { Recklinghausen },

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