@book
{TN_libero_mab2,
author = {
Schmidt, Gerhard
},
title = {
Wunderwelt der Steine
},
publisher = {Jugendbuchverl. Wunderlich},
year = {1953},
booktitle = {Jugendbuchreihe "Erlebte Welt" ; 15},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}