@article{1490438,
      url = {http://digitallibrary.un.org/record/1490438},
      title = {Working paper [on criteria for biological agents and  toxins] /},
      publisher = {UN,},
      recid = {1490438},
      pages = {[1] p.},
      address = {Geneva :. 1999-01-25},
      year = {1999},
      month = {Jan},
}