1. Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, Victoria, BC
2. Integrated Remote Sensing Studio, Department of Forest Resources Management, Faculty of Forestry, University of British Columbia, Vancouver, BC
3. Department of Forest Sciences, University of Helsinki, Helsinki, Finland
4. NASA Goddard Space Flight Center, Biospheric Sciences Laboratory, Greenbelt, MD, USA
5. Natural Resources Canada, Canadian Forest Service, Canadian Wood Fibre Centre, Sault Ste. Marie, ON
6. Ontario Ministry of Natural Resources, Provincial Services Division, Science and Research Branch, North Bay, ON