@article{Weinitschke2013,
  author    = {Hugo Weinitschke},
  title     = {25 Jahre Biosph{\"a}renreservat an der mittleren Elbe},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {42},
  number    = {Sonderheft},
  pages     = {21 -- 24},
  year      = {2013},
}