@book
{TN_libero_mab2,
author = {
Speed, Harold
},
title = {
The practice and science of drawing
},
edition = {
3. ed.
}
,
publisher = {Dover Pub.},
isbn = {0486228703},
year = {1972},
abstract = {Reprint of the 1917 ed},
booktitle = {Dover books on art instruction},
address = {
Mineola
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}