@book
{TN_libero_mab2,
author = {
Descartes, René
Schlesinger, Ludwig
AND
Descartes, René
},
title = {
Geometrie
},
edition = {
2., durchges. Aufl.
}
,
publisher = {Mayer & Müller},
year = {1923},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}