author = { Mohrig, Werner Thieme, Klaus },

title = { Wieviel Menschen trägt die Erde? },

edition = { 1. Aufl. } ,

publisher = {Urania-Verl.},

year = {1976},

booktitle = {Akzent ; 21},

address = { Leipzig },

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