BibTeX Entry: A Family of Inexpensive Sampling Schemes

@article{Hasselgren2005cgf,
  author =    {Jon Hasselgren and Tomas Akenine-M\"oller and Samuli Laine},
  title =     {A Family of Inexpensive Sampling Schemes},
  journal =   {Computer Graphics Forum},
  volume =    {24},
  number =    {4},
  year =      {2005},
  pages =     {843--848},
  publisher = {Eurographics Association and Blackwell Publishing Ltd},
}