National environmental indicators : building a framework for a core set.

Antzeko izenburuak

• Environmental indicators : proceedings of the Environmental Indicators Symposium, University of Otago, Dunedin, 23 and 24 March 1999 /
  Argitaratua: (1999)
• Contributions to a national set of environmental indicators to be monitored at a regional level /
  nork: Ward, J. C. (Jonet C.)
  Argitaratua: (1992)
• Environmental indicators for state of the environment reporting /
  nork: Ward, J. C. (Jonet C.)
  Argitaratua: (1990)
• Sustainability indicators : a scientific assessment /
  Argitaratua: (2007)
• Land indicators for national environmental monitoring.
  Argitaratua: (1997)