@InProceedings{Babaioff04,
  author =	 {Babaioff, Moshe and Nisan, Noam and Pavlov, Elan},
  title =	 {Mechanisms for a Spatially Distributed Market},
  booktitle =	 {The Proceedings of the Fifth {ACM} Conference on Electronic Commerce},
  pages =	 {9-20},
  year =	 2004
}