@article{Schmidt Koenig1965,
  author    = {Schmidt Koenig, K.},
  title     = {Current problems in bird orientation},
  journal   = {D. S. Lehrman (Ed.), The study of behaviour, New York and London (Academic Press) 1965, pp. 217-278.},
  year      = {1965},
  language  = {en}
}