@article{476558,
      url = {http://digitallibrary.un.org/record/476558},
      title = {Costa Rica : un compromiso nacional con el desarrollo  sostenible},
      publisher = {UNDP,},
      recid = {476558},
      pages = {vii, 58 p. :},
      address = {[Nueva York] :. 2001},
      year = {2001},
}