@misc{GiovannucciEtAlSIGECOM2007,
  author =        {Andrea Giovannucci and Juan A.~Rodr\'\i guez-Aguilar and Meritxell Vinyals and Jes\'us Cerquides and Ulle Endriss},
  title =         {Mixed Multi-unit Combinatorial Auctions for Supply Chain Management},
  month =         {December},
  year =          {2007},
  howpublished =  {ACM SIGecom Exchanges, Vol.~7, No.~1}
}