@InProceedings{IJCAI11-Sharon,
  author = {Guni Sharon, Roni Stern, Meir Goldenberg and Ariel Felner},
  title = {The Increasing Cost Tree Search for Optimal Multi-agent Pathfinding},
  booktitle = {Proceedings of the Twenty-Second International Joint Conference on Artificial Intelligence (IJCAI)},
  location = {Barcelona, Catalonia, Spain},
  month = {July},
  year = {2011},
  pages={662--667}
}