@book
{TN_libero_mab2,
author = {
},
title = {
Gottlob Frege
1 Frege's philosophy in context
},
edition = {
1. publ.
}
,
publisher = {Routledge},
isbn = {0415306027},
year = {2005},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}