@book{OPUS4-1209,
  title     = {Von {\"O}koeffizienz zu nachhaltiger Entwicklung in Unternehmen = From eco-efficiency to overall sustainable development in enterprises},
  series = {Wuppertal Spezial},
  volume    = {18},
  editor    = {Weizs{\"a}cker, Ernst U. von and Stigson, Bj{\"o}rn and Seiler-Hausmann, Jan-Dirk},
  publisher = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  isbn      = {3-929944-35-9},
  pages     = {254},
  year      = {2001},
  language  = {de}
}