@article{65668,
      author = {Boven, Theodoor C. van},
      url = {http://digitallibrary.un.org/record/65668},
      title = {Working paper /},
      publisher = {UN,},
      recid = {65668},
      pages = {31 p.},
      address = {Geneva :. 1989-07-11},
      year = {1989},
      month = {Jul},
}