@book
{TN_libero_mab2,
author = {
Fennel, Adolf
},
title = {
Geodätische Instrumente
3 Mikroskop-Theodolite
},
publisher = {Wittwer},
keywords = {
Mikroskop
,
Theodolit
},
year = {1912},
address = {
Stuttgart
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}