@article{207104,
      note = {Prepared by D. Deneufchatel and J.-C. Porchier.},
      author = {Deneufchatel, D. and Porchier, J.-C.},
      url = {http://digitallibrary.un.org/record/207104},
      title = {Area frame surveys and remote sensing : guide to surveying  by segments and points.},
      publisher = {UN,},
      recid = {207104},
      pages = {42 p. :},
      address = {Geneva :. 1993-09-23},
      year = {1993},
      month = {Sep},
}