@article{OstermeyerKornPuhlmannetal.2009,
  author    = {Martin Ostermeyer and Dietmar Korn and Dirk Puhlmann and Carsten Henkel and Jens Eisert},
  title     = {Two-dimensional characterization of spatially entangled photon pairs},
  doi       = {10.1080/09500340903359962},
  url       = {http://www.informaworld.com/openurl?genre=journal\&issn=0950-0340},
  year      = {2009},
}