@article{OppelSchaeferSchmidtetal.2004,
  author    = {Steffen Oppel and Martin H. Sch{\"a}fer and Veronika Schmidt and Boris Schr{\"o}der-Esselbach},
  title     = {How much suitable habitat is left for the last known population of the Pale-Headed Brush-Finch?},
  url       = {http://brandenburg.geoecology.uni-potsdam.de/users/schroeder/download/publications/ oppel_etal_condor_proofs.pdf},
  year      = {2004},
}