@article{HoefnerMoellerZelend2012,
  author    = {Peter H{\"o}fner and Bernhard M{\"o}ller and Andreas Zelend},
  title     = {Foundations of coloring algebra with consequences for feature-oriented programming},
  journal   = {Lecture Notes in Computer Science},
  volume    = {7560},
  pages     = {33 -- 49},
  doi       = {10.1007/978-3-642-33314-9_3},
  year      = {2012},
}