@inproceedings{McGuire10AOV,
  author = {Morgan Mc{G}uire},
  title = {Ambient Occlusion Volumes},
  year = {2010},
  month = {June},
  booktitle = {Proceedings of High Performance Graphics 2010},
  location = {Saarbrucken, Germany},
  url = {http://graphics.cs.williams.edu/papers/AOVHPG10}
}