Williams, G.G. and Hartmann, D.H. and Park, H.S. and Porrata, R.A. and Ables, E. and Bionta, R. and Band, D.L. and Barthelmy, S.D. and Cline, T. and Gehrels, N. and Ferguson, D.H. and Fishman, G. and Kippen, R.M. and Kouveliotou, C. and Hurley, K. and Nemiroff, R. and Sasseen, T.