@article{184425,
      url = {http://digitallibrary.un.org/record/184425},
      title = {The United Nations optical disk system : user manual.},
      publisher = {UN,},
      recid = {184425},
      pages = {iii, 26 p. :},
      address = {[New York] :. 1994},
      year = {1994},
}