A master plan for the preservation and use of Göreme National Park
1968
Archaeological sites
Naturdenkmäler im Kanton Bern
1970
Itten, Hans |
Plan de manejo y desarrollo del monumentos nacional Ruinas de Copán : sitio de Patrimonio Cultural Mundial
1984
Barborak, James R. |
Morales, Róger |
MacFarland, Craig |
Restoration of wetlands in Lumbini : proceedings of the planning workshop on the restoration of wetlands in Lumbini
1997
Bhandari, Bishnu |