@incollection{Weizsaecker1994,
  author    = {Weizs{\"a}cker, Ernst U. von},
  title     = {Umwelterziehung war erst der Anfang},
  booktitle = {Jahrbuch der {\"O}kologie 1995},
  editor    = {Altner, G{\"u}nter},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  pages     = {94 -- 99},
  year      = {1994},
  language  = {de}
}