@article{180167,
      url = {http://digitallibrary.un.org/record/180167},
      title = {Single European standard statistical classification of  environmental protection activities and facilities : note  /},
      publisher = {UN,},
      recid = {180167},
      pages = {20 p.},
      address = {Geneva :. 1994-04-06},
      year = {1994},
      month = {Apr},
}