@InProceedings{sandholm97a,
  author =	 {Tuomas Sandholm},
  title =	 {Necessary and Sufficient Contract Types for Optimal
                  Task Allocation},
  booktitle =	 {Proceedings of the Fourteenth International Joint
                  Conference on Artificial Intelligence},
  year =	 1997,
  googleid = 	 {wr_wrYfan5YJ:scholar.google.com/},
  comment =	 {OCSM contracts are enough for optimal allocation.},
  cluster = 	 {10853633903259860930}
}