@article{Birg2009,
  author    = {Birg, Herwig},
  title     = {Bev{\"o}lkerungsvorausberechnungen f{\"u}r Deutschland},
  series = {KWI-Schriften},
  journal   = {KWI-Schriften},
  number    = {2},
  issn      = {1867-951X},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-51833},
  pages     = {23 -- 32},
  year      = {2009},
  language  = {de}
}