@article{231524,
      note = {At head of title: Earth Summit + 5, Special session of the  General Assembly to Review and Appraise the Implementation  of Agenda 21, New York, 23-27 June 1997.},
      url = {http://digitallibrary.un.org/record/231524},
      title = {The United Nations Convention to Combat Desertification :  a new response to an age-old problem.},
      publisher = {UN Department of Public Information,},
      recid = {231524},
      pages = {5 p.},
      address = {New York :. 1997},
      year = {1997},
}