@book
{TN_libero_mab2,
author = {
Spies, Joachim
},
title = {
Zeichenlehre
},
edition = {
4. Aufl.
}
,
publisher = {Kohlhammer},
isbn = {3170119338},
keywords = {
Zeichnen
},
year = {1992},
address = {
Stuttgart
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}