World Wilderness Congress (6th : 1998 : Bangalore, India)
Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, [1998-2000]
2000
World Wilderness Congress (6th : 1998 : Bangalore, India)
Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, [1998-2000]
2000