@article{Ng:2011:FTR,
  title = {From the Rendering Equation to Stratified Light Transport Inversion},
  journal = {International Journal of Computer Vision},
  author = {Tian-Tsong Ng and Ramanpreet Singh Pahwa and Jiamin Bai and Kar-Han Tan and Ravi Ramamoorthi},
  month = {June},
  year = 2011,
  url = {http://graphics.berkeley.edu/papers/Ng-FTR-2011-06/},
}