Nishikawa, K.-I. (National Space Science and Technology Center Huntsville, AL, United States)
Hartmann, D. H. (Clemson Univ. SC, United States)
Hardee, P. (Alabama Univ. Huntsville, AL, United States)
Hededal, C. (Niels Bohr Inst. Copenhagen, Denmark)
Mizunno, Y. (National Space Science and Technology Center Huntsville, AL, United States)
Fishman, G. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)