@inproceedings{CiE13,
  volume = {7921},
  booktitle = {Proc. 9th Conf. on Computability in Europe (CiE)},
  year = {2013},
  series = {LNCS},
  author = {Klaus Ambos-Spies and Ulrike Brandt and Martin Ziegler},
  publisher = {Springer},
  pages = {1--11},
  title = {Real Benefit of Promises and Advice},
}