@article{Welfens1997,
  author    = {Welfens, Maria J.},
  title     = {{\"O}kologische zukunftsf{\"a}hige Subventionspolitik},
  journal   = {Wirtschaftsdienst},
  volume    = {77},
  number    = {3},
  pages     = {159 -- 165},
  year      = {1997},
  language  = {de}
}