@entry{has-ake-07-aa,
  author = {J Hasselgren and T Akenine-M{\"o}ller},
  title = {PCU: the programmable culling unit},
  journal = {ACM SIGGRAPH 2007 papers,},
  volume = {},
  number = {},
  pages = {},
  year = 2007,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{https://dl.acm.org/doi/abs/10.1145/1275808.1276492?casa_token=Ola2RCru1tcAAAAA:gjQu1V_zneJt1Pw_Lfix_0uMGbCxYYKAmWdNqmY-jIxpUKjDi_s-PSsphIITpZXYvs5gsh-GEAc}}},
  quotes = {... reasons for discarding affine arithmetic (apart ... affine arithmetic, and that the texture lookups instantly break all linear dependencies. We did some preliminary tests using affine arithmetic ...}
}