@article{178595,
      url = {http://digitallibrary.un.org/record/178595},
      title = {Maritime hydrographic surveying, nautical charting and  maintenance of hydrographic surveying equipment in ESCWA  countries.},
      publisher = {UN,},
      recid = {178595},
      pages = {v, 52 p. :},
      address = {[Amman] :. 1993-11-17},
      year = {1993},
      month = {Nov},
}