@article{lrr-1998-12,
  title    = {Gravitational Lensing in Astronomy},
  author   = {Joachim Wambsganss},
  journal  = {Living Reviews in Relativity},
  year     = {1998},
  number   = {12},
  volume   = {1},
  keywords = {},
  doi      = {10.12942/lrr-1998-12},
  url      = {http://www.livingreviews.org/lrr-1998-12}
}
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