@InCollection{Zschaler+11a,
  author    = {Steffen Zschaler and Pablo S{\'a}nchez and Jo{\~}ao Santos and Mauricio Alf{\'e}rez and Ana Moreira and Jo{\~a}o Ara{\'u}jo and Uir{\'a} Kulesza and Lidia Fuentes},
  title     = {Variability Management},
  pages     = {82--124},
  editor    = {Awais Rashid and Jean-Claude Royer and Andreas Rummler},
  booktitle = {Aspect-Oriented, Model-Driven Software Product Lines -- The {AMPLE} Way},
  publisher = {Cambridge University Press},
  isbn      = {978-0-521-76722-4},
  year      = 2011,
}