@entry{flo-sbe-10-aa,
  author = {J Fl{\'o}rez-D{\'\i}az and M Sbert},
  title = {Reliable Soft Shadows over Implicit Surfaces},
  journal = {},
  volume = {},
  number = {},
  pages = {},
  year = 2010,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{https://otik.uk.zcu.cz/handle/11025/10854}}},
  quotes = {... As a future work, we are going to study the application of Affine Arithmetic in order to improve the computational time. Affine arithmetic promises to reduce overestimation problems, and ...}
}