@article{189519,
      url = {http://digitallibrary.un.org/record/189519},
      title = {Elements of biological weapons monitoring systems /},
      publisher = {UN,},
      recid = {189519},
      pages = {5 p.},
      address = {Geneva :. 1992-04-07},
      year = {1992},
      month = {Apr},
}