@book
{TN_libero_mab2,
author = {
Eckert, Harry
Lindner, Renate
},
title = {
Kleines ABC des polytechnischen Unterrichts
},
edition = {
1. Aufl.
}
,
publisher = {},
year = {[19]61},
address = {
Halle, Saale
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}