1. Berger, T., Nair, D., Rublack, R., Atlee, J.M., Czarnecki, K., Wąsowski, A.: Three cases of feature-based variability modeling in industry. In: ACM/IEEE 17th International Conference on Model Driven Engineering Languages and Systems (MODELS) (2014)
2. Botterweck, G., Thiel, S., Nestor, D., bin Abid, S., Cawley, C.: Visual tool support for configuring and understanding software product lines. In: 12th International Conference on Software Product Line, SPLC 2008, pp. 77–86, September 2008
3. Clements, P., Northrop, L.: Software Product Lines: Practices and Patterns. Addison-Wesley Longman Publishing Co. Inc, Boston (2001)
4. Condori-Fernández, N., Panach, J.I., Baars, A.I., Vos, T.E.J., Pastor, O.: An empirical approach for evaluating the usability of model-driven tools. Sci. Comput. Program. 78(11), 2245–2258 (2013)
5. CVL Submission Team. Common variability language (CVL), OMG revised submission (2012). http://www.omgwiki.org/variability/lib/exe/fetch.php?id=start&cache=cache&media=cvl-revised-submission.pdf