@article{Seifert2001,
  author    = {Seifert, Eberhard K.},
  title     = {ISO 14000 Umweltmanagement Standards : Erreichtes und Herausforderungen f{\"u}r Rio +10 in Johannisburg 2002},
  journal   = {Umweltmagazin},
  volume    = {31},
  number    = {11},
  pages     = {65},
  year      = {2001},
  language  = {de}
}