@article{150172,
      author = {Mendis, Vernon L. B.},
      url = {http://digitallibrary.un.org/record/150172},
      title = {National security concepts of states : Sri Lanka /},
      publisher = {UN,},
      recid = {150172},
      pages = {x, 205 p.},
      address = {New York :. 1992},
      year = {1992},
}