@book
{TN_libero_mab2,
author = {
Krämer, Walter
Gossmann, Gerhard
},
title = {
Wunder der Welt
[die frühen Entdeckungen unserer Erde]
},
edition = {
3. Aufl
}
,
publisher = {Urania-Verl.},
year = {[1976]},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}