Thompson, B. J. (Space Applications Corp. Vienna, VA United States)
Newmark, J. S. (Space Applications Corp. Vienna, VA United States)
Gurman, J. B. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Delaboudiniere, J. P. (Paris XI Univ. Orsay France)
Clette, F. (Belgian Royal Observatory Brussels Belgium)
Gibson, S. E. (NASA Goddard Space Flight Center Greenbelt, MD United States)