@article{lrr-2007-3,
  title    = {Event and Apparent Horizon Finders for 3+1 Numerical Relativity},
  author   = {Jonathan Thornburg},
  journal  = {Living Reviews in Relativity},
  year     = {2007},
  number   = {3},
  volume   = {10},
  keywords = {partial differential equations, trapped surfaces, event horizons, apparent horizons, numerical algorithms, black holes, numerical relativity, null surfaces, ADM formalism},
  doi      = {10.12942/lrr-2007-3},
  url      = {http://www.livingreviews.org/lrr-2007-3}
}
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