@article{242213,
      url = {http://digitallibrary.un.org/record/242213},
      title = {Draft article on the environmental effects of nitrogen  compounds from sources other than atmospheric deposition /},
      publisher = {UN,},
      recid = {242213},
      pages = {3 p.},
      address = {Geneva :. 1987-07-22},
      year = {1987},
      month = {Jul},
}