@article{lightsourceestimationwithanalyticalpath,
  title = {Light Source Estimation with Analytical Path-tracing},
  author = {Mike Kasper and Nima Keivan and Gabe Sibley and Christoffer Heckman},
  year = {2017},
  eprint = {1701.04101},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1701.04101v1},
}