Williams, D. L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kharuk, V. I. (Russian Academy of Sciences Inst. of Forest and Wood, Akademgorodok, Russia)
Zhirin, V. M. (State Forest Committee Moscow, Russia)
Rock, B. N. (New Hampshire Univ. Durham, United States)
Ranson, K. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wessman, C. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Curtiss, B. (Cooperative Inst. for Research in Environmental Sciences Boulder, CO, United States)