@INPROCEEDINGS{Havran05egsrIS,
  AUTHOR = {Vlastimil Havran and Miloslaw Smyk and Gfzegorz Krawczyk and
            Karol Myszkowski and Hans-Peter Seidel},
  EDITOR = {Bala, Kavita and Dutr\'{e}, Philip},
  TITLE = {{Importance} {Sampling} for {Video} {Environment} {Maps}},
  BOOKTITLE = {Eurographics Symposium on Rendering 2005},
  PUBLISHER = {ACM SIGGRAPH},
  YEAR = {2005},
  pages = {31--42,311},
  ADDRESS = {Konstanz, Germany},
}