@INPROCEEDINGS{kuehnesteimann04,
author = {Thomas K\"uhne and Friedrich Steimann},
editor = {B. Rumpe and W. Hesse},
month = mar,
year = 2004,
title = {Tiefe Charakterisierung},
booktitle = {Proceedings of Modellierung 2004}
series = {{LNI} 45 (GI)},
}