@inproceedings{mci/Kelter2007,
author = {Kelter, Udo},
title = {Begriffliche Grundlagen von Modelldifferenzen},
booktitle = {Softwaretechnik-Trends Band 27, Heft 2},
year = {2007},
editor = {},
publisher = {Geselllschaft für Informatik e.V.},
address = {Bonn}
}