@InProceedings{Duran+12,
  author    = {Francisco Dur{\'a}n and Steffen Zschaler and Javier Troya},
  title     = {On the Reusable Specification of Non-functional Properties in {DSLs}},
  pages     = {332--351},  
  editor    = {Krzysztof Czarnecki and G{\"o}rel Hedin},
  booktitle = {Proc. 5th Int'l Conf. on Software Language Engineering (SLE'12)},
  publisher = {Springer},
  series    = {LNCS},
  volume    = 7745,
  year      = 2013,
}