@book{OPUS4-674,
  title     = {{\"O}kologischer Landbau - Quo vadis?},
  publisher = {Deutschland / Bundesamt f{\"u}r Naturschutz},
  address   = {Bonn},
  organization    = {Bundesamt f{\"u}r Naturschutz},
  pages     = {107 Seiten},
  year      = {2004},
  language  = {de}
}