@article{497849,
      note = {Prepared by Paul Johanis.},
      author = {Johanis, Paul},
      url = {http://digitallibrary.un.org/record/497849},
      title = {Classification systems in agriculture statistics programs  : needs and changing priorities : invited paper /},
      publisher = {[UN],},
      recid = {497849},
      pages = {13 p.},
      address = {Geneva :. 2003-06-11},
      year = {2003},
      month = {Jun},
}