@incollection{Welfens1998,
  author    = {Welfens, Maria J.},
  title     = {The environmental perspective},
  booktitle = {Bridging divides - transformation in Eastern Europe : connecting energy and environment},
  editor    = {M{\"u}ller, Friedemann},
  publisher = {Nomos-Verl.-Ges.},
  address   = {Baden-Baden},
  pages     = {234 -- 249},
  year      = {1998},
  language  = {en}
}