@article {252, title = {Mehrstufige, Kunden-Spezifische Anpassungen in der Anwendungsentwicklung}, journal = {Objekt Spektrum}, year = {2007}, note = {Translation of Multi-level Customization in Application Engineering into German.}, month = {01/2007}, author = {Krzysztof Czarnecki and Micha{\l} Antkiewicz and Kim, Chang Hwan Peter} }