Eleventh Technical Meeting: papers and proceedings, New Delhi, India, 25 to 28 november 1969 = Onz ieme Reunion Technique : rapports et proces-verbaux, New Delhi, India, 25 to 28 november 1969 /

Lignende værker

• Major conservation issues of the 1990s: resuls of the World Conservation Congress Workshops, Montreal, Canada, 13-23 october 1996 /
  Udgivet: (1998)
• Resoluciones y recomendaciones /
  Udgivet: (1997)
• Tourism, ecotourism, and protected areas: the state of nature-based tourism around the world and guidelines for de development /
  af: Ceballos-Lascuráin, Héctor
  Udgivet: (1996)
• Conservación y biología /
  af: Ehrenfeld, David W.
  Udgivet: (1972)
• La destrucción de los habitats /
  af: Hare, Tony