author = { Baukhage, Manon },

title = { Die unglaubliche Karriere der Null },

publisher = {},

isbn = {1863-9313},

keywords = { Geschichte , Mathematik , Null , Zahl },

year = {2001},

abstract = {Nebst Internet-Adressen},

address = { },

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