@article{WiltschkoStapputBischofetal.2007,
  author    = {Roswitha Wiltschko and Katrin Stapput and Hans-Joachim Bischof and Wolfgang Wiltschko},
  title     = {Light-dependent magnetoreception in birds : increasing intensity of monochromatic light changes the nature of the response},
  journal   = {Frontiers in Zoology},
  volume    = {4},
  number    = {5},
  doi       = {10.1186/1742-9994-4-5},
  url       = {http://www.frontiersinzoology.com/content/4/1/5},
  year      = {2007},
}