@TECHREPORT{Zivkovic05:OmniCam,
  author = {Z. Zivkovic and O. Booij},
  title = {How did we built our hyperbolic mirror omnidirectional camera - practical issues and basic geometry},
  institution = {Informatics Institute, University of Amsterdam},
  year = {2005},
  number = {IAS-UVA-05-04},
  address = {Amsterdam, The Netherlands},
  note = {Available from http://www.science.uva.nl/\~{}obooij/publications/Zivkovic05OmniCam},
}