@article{93338,
      url = {http://digitallibrary.un.org/record/93338},
      title = {Conservation for a sustainable development : information  sources = Conservation pour un développement durable :  sources d'information = Conservación para un desarrollo  sostenible : fuentes de información.},
      publisher = {INFOTERRA,},
      recid = {93338},
      pages = {xiii, 322 p.},
      address = {Nairobi :. 1981},
      year = {1981},
}