@entry{hij-kno-sch-ken-08-aa,
  author = {Y Hijazi and A Knoll and M Schott and A Kensler...},
  title = {CSG Operations of Arbitrary Primitives with Interval Arithmetic and Real-Time Ray Tracing},
  journal = {Utah: SCI Institute ...,},
  volume = {},
  number = {},
  pages = {},
  year = 2008,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{http://eastfarthing.com/publications/csgimplicits-tr.pdf}}},
  quotes = {... Also comparing interval and (reduced) affine arithmetic as in [9] for the task of CSG modeling ... Fast ray tracing of arbitrary implicit surfaces with interval and affine arithmetic. Computer ...}
}