@article{TrapplKrajewskiRuttkayetal.2011,
  author    = {Robert Trappl and Markus Krajewski and Zs{\´o}fia Ruttkay and Virgil Widrich},
  title     = {Robots as Companions: What can we Learn from Servants and Companions in Literature, Theater, and Film?},
  journal   = {Procedia Computer Science},
  pages     = {96 -- 98},
  doi       = {10.1016/j.procs.2011.12.029},
  year      = {2011},
}