@book
{TN_libero_mab2,
author = {
Kubat, Miroslav
AND
Parsons, Simon
},
title = {
Reasoning with roughly described concepts
},
publisher = {dbv-Verl.},
year = {1993},
booktitle = {IIG report series ; 356},
address = {
Graz
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}