@article{177140,
      url = {http://digitallibrary.un.org/record/177140},
      title = {Baltic GIS [Geographical Information System] : note /},
      publisher = {UN,},
      recid = {177140},
      pages = {4 p.},
      address = {Geneva :. 1992-09-23},
      year = {1992},
      month = {Sep},
}