@article{Ramamoorthi:2008:AAO,
  title = {An Analysis of the In-Out BRDF Factorization for View-Dependent Relighting},
  ee = {http://dx.doi.org/10.1111/j.1467-8659.2008.01251.x},
  journal = {Comput. Graph. Forum},
  author = {Dhruv Mahajan and Yu-Ting Tseng and Ravi Ramamoorthi},
  number = 4,
  volume = 27,
  year = 2008,
  bibsource = {DBLP, http://dblp.uni-trier.de},
  pages = {1137-1145},
  url = {http://graphics.cs.berkeley.edu/papers/Ramamoorthi-AAO-2008-06/},
}