@InProceedings{qosmda04,
  author = {Simone R{\"o}ttger and Steffen Zschaler},
  title = {Model-Driven Development for Non-functional Properties: Refinement through Model Transformation},
  booktitle = {Proceedings of the <<UML>> Conference, Lisbon, Portugal},
  year = 2004,
  series = {Lecture Notes in Computer Science},
  volume = 3273,
  publisher = {Springer},
}