@book
{TN_libero_mab2,
author = {
Opitz, Otto
AND
Klein, Robert
Opitz, Otto
},
title = {
Mathematik
L,5 Lehrbuch für Ökonomen
},
edition = {
5., durchges. Aufl.
}
,
publisher = {Oldenbourg},
isbn = {3486231170},
keywords = {
Mathematics
},
year = {1995},
address = {
München
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}