@article{148231,
      note = {Available also in UN sales publication: "Agenda 21 : Rio  Declaration Forests Principles : drafts" (E.92.1.16).},
      url = {http://digitallibrary.un.org/record/148231},
      title = {Agenda 21.},
      publisher = {UN,},
      recid = {148231},
      pages = {275 p.},
      address = {[New York] :. 1992-05-01},
      year = {1992},
      month = {May},
}