Øystein Haugen, Birger Møller-Pedersen, Jon Oldevik, Gøran K. Olsen, Andreas Svendsen. Adding Standardized Variability to Domain Specific Languages. In Software Product Lines, 12th International Conference, SPLC 2008, Limerick, Ireland, September 8-12, 2008, Proceedings. pages 139-148, IEEE Computer Society, 2008. [doi]