@article{173535,
      url = {http://digitallibrary.un.org/record/173535},
      title = {The role of the United Nations in the field of  verification : summary of a United Nations study.},
      publisher = {UN,},
      recid = {173535},
      pages = {25 p.},
      address = {New York :. 1991-01},
      year = {1991},
}