@incollection{Spangenberg1996,
  author    = {Spangenberg, Joachim H.},
  title     = {Welche Indikatoren braucht eine nachhaltige Entwicklung?},
  booktitle = {Neue Ans{\"a}tze in der Umwelt{\"o}konomie},
  editor    = {K{\"o}hn, J{\"o}rg},
  publisher = {Metropolis-Verl.},
  address   = {Marburg},
  pages     = {203 -- 225},
  year      = {1996},
  language  = {de}
}