Useful references on Gamma-ray Bursts:

• Gamma-Ray Bursts: An Overview, by Gerald Fishman, Publications of the Astronomical Society of the Pacific, vol 107, pp. 1145-1151 (December 1995).
• The Brightest Explosions in the Universe, by Neil Gehrels, Luigi Piro, and Peter Leonard, Scientific American, December 2002.
• Swift Press Kit