@string{SODA07 = {Proceedings of the Eighteenth Annual ACM-SIAM Symposium
               on Discrete Algorithms (SODA)}}

@inproceedings{CKV07,
  author =       {G. Christodoulou and E. Koutsoupias and A. Vidali},
  title =        {A lower bound for scheduling mechanisms.},
  booktitle = {SODA},
  month     = {7--9 } #jan,
  year      = {2007},
  pages     = {1163-1170},
  address   = {New Orleans, Louisiana, USA},
  ee        = {http://doi.acm.org/10.1145/1283383.1283508},
}