@article{175951,
      note = {Contains S/RES/693 (1991).},
      url = {http://digitallibrary.un.org/record/175951},
      title = {UN Observer Mission in El Salvador (ONUSAL).},
      publisher = {UN Department of Public Information,},
      recid = {175951},
      pages = {1 portfolio},
      address = {New York :. 1990},
      year = {1990},
}