@article{WegenerKison2004,
  author    = {Uwe Wegener and Hans-Ulrich Kison},
  title     = {Hagen Herdam zum 65. Geburtstag},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {41},
  number    = {2},
  pages     = {38 -- 40},
  year      = {2004},
}