@article{176052,
      note = {Fourth working draft of pt. 4 of ISO standard 11179,  Specification and standardization of data elements,  prepared by Working Group 4 of ISO/IEC Joint Technical  Committee 1.},
      url = {http://digitallibrary.un.org/record/176052},
      title = {Rules and guidelines for the formulation of data  definitions /},
      publisher = {UN,},
      recid = {176052},
      pages = {16 p.},
      address = {Geneva :. 1993-08-25},
      year = {1993},
      month = {Aug},
}