Kumamoto-ken (Japan)
Kjell A. Christophersen
Massachusetts. Division of Forests and Parks. Division of Planning and Development
Massachusetts. Dept. of Environmental Management
Unknown Author
Jack Orchel
Pentti Hakkila
Food and Agriculture Organization of the United Nations
Indonesia. Departemen Kehutanan.
Upland NGO Assistance Committee
L. J. Knapik
E. Gregory McPherson
Deutsche Gesellschaft für Technische Zusammenarbeit
Jürgen Pretzsch
Pant, S. C. IFS
United States. Forest Service
D. J. Pratt