@article{QuaisserFiedlerHueppopetal.2013,
  author    = {Christiane Quaisser and Wolfgang Fiedler and Ommo H{\"u}ppop and Ulrich K{\"o}ppen},
  title     = {Editorial},
  journal   = {Vogelwarte : Zeitschrift f{\"u}r Vogelkunde},
  volume    = {43},
  number    = {1},
  year      = {2013},
}