Nishikawa, K.-I. (National Space Science and Technology Center Huntsville, AL, United States)
Hardee, P. (Alabama Univ. Tuscaloosa, AL, United States)
Richardson, G. (Alabama Univ. Huntsville, AL, United States)
Preece, R. (Alabama Univ. Huntsville, AL, United States)
Sol, H. (Observatoire de Paris-Meudon France)
Fishman, G. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)