@InProceedings{xu-14-procedural,
  author = 		 {Qihan Xu and Jonathan Tremblay and Clark Verbrugge},
  title = 		 {Procedural Guard Placement for Stealth Games},
  booktitle = {Fifth Workshop on Procedural Content Generation in Games ({PCG} 2014)},
  year = 	 2014,
  month = 	 {April}}