@article{188511,
      author = {Ko, Jae Young.},
      url = {http://digitallibrary.un.org/record/188511},
      title = {Environmental labelling schemes in OECD member countries  /},
      publisher = {UN,},
      recid = {188511},
      pages = {10 p.},
      address = {Geneva :. 1993-05-11},
      year = {1993},
      month = {May},
}