Article ISI
The Astrophysical Journal, Volume 732  (2011)

Afterglow Observations of Fermi Large Area Telescope Gamma-ray Bursts and the Emerging Class of Hyper-energetic Events

Cenko, S. B.; Frail, D. A.; Harrison, F. A.; Haislip, J. B.; Reichart, D. E.; Butler, N. R.; Cobb, B. E.; Cucchiara, A.; Berger, E.; Bloom, J. S.; and 14 coauthors incl Lopez, S.