BibTeX Entry: Matrix Radiance Transfer

@inproceedings{Lehtinen2003I3D,
     author = {Jaakko Lehtinen and Jan Kautz},
     title =  {Matrix Radiance Transfer},
     booktitle = {Proc. ACM SIGGRAPH 2003 Symposium on Interactive 3D graphics},
     year = {2003},
     pages = {59--64},
}