@article{Puhlmann2004,
  author    = {Guido Puhlmann},
  title     = {25 Jahre UNESCO-Biosph{\"a}renreservat an der Elbe},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {41},
  number    = {2},
  pages     = {54 -- 54},
  year      = {2004},
}