IUCN's twelfth Technical Meeting, Banff, Alberta, Canada, 12 to 15 September 1972 : papers and proceedings
1973
Elliott, Hugh F. I. |
Canada, [Government]
Arjin Mountains Nature Reserve, Xinjiang, People's Republic of China : management recommendations and resource summary
1986
Achuff, P. |
Butler, James R. |
Johnston, J. |