Human use of World Heritage natural sites : a global overview
1998
Sigaty, Todd |
Thorsell, J. W. |
IUCN, Natural Heritage Programme
A global overview of wetland and marine protected areas on the World Heritage list
1997
Levy, Renée Ferster |
Sigaty, Todd |
Thorsell, J. W. |
A global overview of forest protected areas on the World Heritage list
1997
Sigaty, Todd |
Thorsell, J. W. |
Earth's geological history : a contextual framework for assessment of World Heritage fossil site nominations
1996
Wells, Roderick T. |